21195298880

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{18517}}^1$

素因数の和:18621

約数の個数: 168

約数和(自身を含む): 59519000088

約数和(自身を除く): 38323701208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 73, 80, 98, 112, 140, 146, 160, 196, 224, 245, 280, 292, 320, 365, 392, 448, 490, 511, 560, 584, 730, 784, 980, 1022, 1120, 1168, 1460, 1568, 1960, 2044, 2240, 2336, 2555, 2920, 3136, 3577, 3920, 4088, 4672, 5110, 5840, 7154, 7840, 8176, 10220, 11680, 14308, 15680, 16352, 17885, 18517, 20440, 23360, 28616, 32704, 35770, 37034, 40880, 57232, 71540, 74068, 81760, 92585, 114464, 129619, 143080, 148136, 163520, 185170, 228928, 259238, 286160, 296272, 370340, 518476, 572320, 592544, 648095, 740680, 907333, 1036952, 1144640, 1185088, 1296190, 1351741, 1481360, 1814666, 2073904, 2592380, 2703482, 2962720, 3629332, 4147808, 4536665, 5184760, 5406964, 5925440, 6758705, 7258664, 8295616, 9073330, 9462187, 10369520, 10813928, 13517410, 14517328, 18146660, 18924374, 20739040, 21627856, 27034820, 29034656, 36293320, 37848748, 41478080, 43255712, 47310935, 54069640, 58069312, 66235309, 72586640, 75697496, 86511424, 94621870, 108139280, 132470618, 145173280, 151394992, 189243740, 216278560, 264941236, 290346560, 302789984, 331176545, 378487480, 432557120, 529882472, 605579968, 662353090, 756974960, 1059764944, 1324706180, 1513949920, 2119529888, 2649412360, 3027899840, 4239059776, 5298824720, 10597649440, 21195298880]

約数ペア:

[(1, 21195298880), (2, 10597649440), (4, 5298824720), (5, 4239059776), (7, 3027899840), (8, 2649412360), (10, 2119529888), (14, 1513949920), (16, 1324706180), (20, 1059764944), (28, 756974960), (32, 662353090), (35, 605579968), (40, 529882472), (49, 432557120), (56, 378487480), (64, 331176545), (70, 302789984), (73, 290346560), (80, 264941236), (98, 216278560), (112, 189243740), (140, 151394992), (146, 145173280), (160, 132470618), (196, 108139280), (224, 94621870), (245, 86511424), (280, 75697496), (292, 72586640), (320, 66235309), (365, 58069312), (392, 54069640), (448, 47310935), (490, 43255712), (511, 41478080), (560, 37848748), (584, 36293320), (730, 29034656), (784, 27034820), (980, 21627856), (1022, 20739040), (1120, 18924374), (1168, 18146660), (1460, 14517328), (1568, 13517410), (1960, 10813928), (2044, 10369520), (2240, 9462187), (2336, 9073330), (2555, 8295616), (2920, 7258664), (3136, 6758705), (3577, 5925440), (3920, 5406964), (4088, 5184760), (4672, 4536665), (5110, 4147808), (5840, 3629332), (7154, 2962720), (7840, 2703482), (8176, 2592380), (10220, 2073904), (11680, 1814666), (14308, 1481360), (15680, 1351741), (16352, 1296190), (17885, 1185088), (18517, 1144640), (20440, 1036952), (23360, 907333), (28616, 740680), (32704, 648095), (35770, 592544), (37034, 572320), (40880, 518476), (57232, 370340), (71540, 296272), (74068, 286160), (81760, 259238), (92585, 228928), (114464, 185170), (129619, 163520), (143080, 148136)]