21201513552

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{569}}^1$

素因数の和:1122

約数の個数: 240

約数和(自身を含む): 65097976320

約数和(自身を除く): 43896462768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 31, 34, 36, 48, 51, 62, 68, 72, 93, 102, 124, 136, 144, 153, 186, 204, 248, 272, 279, 306, 372, 408, 491, 496, 527, 558, 569, 612, 744, 816, 982, 1054, 1116, 1138, 1224, 1473, 1488, 1581, 1707, 1964, 2108, 2232, 2276, 2448, 2946, 3162, 3414, 3928, 4216, 4419, 4464, 4552, 4743, 5121, 5892, 6324, 6828, 7856, 8347, 8432, 8838, 9104, 9486, 9673, 10242, 11784, 12648, 13656, 15221, 16694, 17639, 17676, 18972, 19346, 20484, 23568, 25041, 25296, 27312, 29019, 30442, 33388, 35278, 35352, 37944, 38692, 40968, 45663, 50082, 52917, 58038, 60884, 66776, 70556, 70704, 75123, 75888, 77384, 81936, 87057, 91326, 100164, 105834, 116076, 121768, 133552, 136989, 141112, 150246, 154768, 158751, 174114, 182652, 200328, 211668, 232152, 243536, 258757, 273978, 279379, 282224, 299863, 300492, 317502, 348228, 365304, 400656, 423336, 464304, 517514, 547956, 558758, 599726, 600984, 635004, 696456, 730608, 776271, 838137, 846672, 899589, 1035028, 1095912, 1117516, 1199452, 1201968, 1270008, 1392912, 1552542, 1676274, 1799178, 2070056, 2191824, 2235032, 2328813, 2398904, 2514411, 2540016, 2698767, 3105084, 3352548, 3598356, 4140112, 4470064, 4657626, 4749443, 4797808, 5028822, 5397534, 6210168, 6705096, 7196712, 8660749, 9315252, 9498886, 10057644, 10795068, 12420336, 13410192, 14248329, 14393424, 17321498, 18630504, 18997772, 20115288, 21590136, 25982247, 28496658, 34642996, 37261008, 37995544, 40230576, 42744987, 43180272, 51964494, 56993316, 69285992, 75991088, 77946741, 85489974, 103928988, 113986632, 138571984, 147232733, 155893482, 170979948, 207857976, 227973264, 294465466, 311786964, 341959896, 415715952, 441698199, 588930932, 623573928, 683919792, 883396398, 1177861864, 1247147856, 1325094597, 1766792796, 2355723728, 2650189194, 3533585592, 5300378388, 7067171184, 10600756776, 21201513552]

約数ペア:

[(1, 21201513552), (2, 10600756776), (3, 7067171184), (4, 5300378388), (6, 3533585592), (8, 2650189194), (9, 2355723728), (12, 1766792796), (16, 1325094597), (17, 1247147856), (18, 1177861864), (24, 883396398), (31, 683919792), (34, 623573928), (36, 588930932), (48, 441698199), (51, 415715952), (62, 341959896), (68, 311786964), (72, 294465466), (93, 227973264), (102, 207857976), (124, 170979948), (136, 155893482), (144, 147232733), (153, 138571984), (186, 113986632), (204, 103928988), (248, 85489974), (272, 77946741), (279, 75991088), (306, 69285992), (372, 56993316), (408, 51964494), (491, 43180272), (496, 42744987), (527, 40230576), (558, 37995544), (569, 37261008), (612, 34642996), (744, 28496658), (816, 25982247), (982, 21590136), (1054, 20115288), (1116, 18997772), (1138, 18630504), (1224, 17321498), (1473, 14393424), (1488, 14248329), (1581, 13410192), (1707, 12420336), (1964, 10795068), (2108, 10057644), (2232, 9498886), (2276, 9315252), (2448, 8660749), (2946, 7196712), (3162, 6705096), (3414, 6210168), (3928, 5397534), (4216, 5028822), (4419, 4797808), (4464, 4749443), (4552, 4657626), (4743, 4470064), (5121, 4140112), (5892, 3598356), (6324, 3352548), (6828, 3105084), (7856, 2698767), (8347, 2540016), (8432, 2514411), (8838, 2398904), (9104, 2328813), (9486, 2235032), (9673, 2191824), (10242, 2070056), (11784, 1799178), (12648, 1676274), (13656, 1552542), (15221, 1392912), (16694, 1270008), (17639, 1201968), (17676, 1199452), (18972, 1117516), (19346, 1095912), (20484, 1035028), (23568, 899589), (25041, 846672), (25296, 838137), (27312, 776271), (29019, 730608), (30442, 696456), (33388, 635004), (35278, 600984), (35352, 599726), (37944, 558758), (38692, 547956), (40968, 517514), (45663, 464304), (50082, 423336), (52917, 400656), (58038, 365304), (60884, 348228), (66776, 317502), (70556, 300492), (70704, 299863), (75123, 282224), (75888, 279379), (77384, 273978), (81936, 258757), (87057, 243536), (91326, 232152), (100164, 211668), (105834, 200328), (116076, 182652), (121768, 174114), (133552, 158751), (136989, 154768), (141112, 150246)]