21232728

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:142

約数の個数: 192

約数和(自身を含む): 70761600

約数和(自身を除く): 49528872

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 17, 18, 19, 22, 24, 33, 34, 36, 38, 44, 51, 57, 66, 68, 72, 76, 83, 88, 99, 102, 114, 132, 136, 152, 153, 166, 171, 187, 198, 204, 209, 228, 249, 264, 306, 323, 332, 342, 374, 396, 408, 418, 456, 498, 561, 612, 627, 646, 664, 684, 747, 748, 792, 836, 913, 969, 996, 1122, 1224, 1254, 1292, 1368, 1411, 1494, 1496, 1577, 1672, 1683, 1826, 1881, 1938, 1992, 2244, 2508, 2584, 2739, 2822, 2907, 2988, 3154, 3366, 3553, 3652, 3762, 3876, 4233, 4488, 4731, 5016, 5478, 5644, 5814, 5976, 6308, 6732, 7106, 7304, 7524, 7752, 8217, 8466, 9462, 10659, 10956, 11288, 11628, 12616, 12699, 13464, 14193, 14212, 15048, 15521, 16434, 16932, 17347, 18924, 21318, 21912, 23256, 25398, 26809, 28386, 28424, 31042, 31977, 32868, 33864, 34694, 37848, 42636, 46563, 50796, 52041, 53618, 56772, 62084, 63954, 65736, 69388, 80427, 85272, 93126, 101592, 104082, 107236, 113544, 124168, 127908, 138776, 139689, 156123, 160854, 186252, 208164, 214472, 241281, 255816, 279378, 294899, 312246, 321708, 372504, 416328, 482562, 558756, 589798, 624492, 643416, 884697, 965124, 1117512, 1179596, 1248984, 1769394, 1930248, 2359192, 2654091, 3538788, 5308182, 7077576, 10616364, 21232728]

約数ペア:

[(1, 21232728), (2, 10616364), (3, 7077576), (4, 5308182), (6, 3538788), (8, 2654091), (9, 2359192), (11, 1930248), (12, 1769394), (17, 1248984), (18, 1179596), (19, 1117512), (22, 965124), (24, 884697), (33, 643416), (34, 624492), (36, 589798), (38, 558756), (44, 482562), (51, 416328), (57, 372504), (66, 321708), (68, 312246), (72, 294899), (76, 279378), (83, 255816), (88, 241281), (99, 214472), (102, 208164), (114, 186252), (132, 160854), (136, 156123), (152, 139689), (153, 138776), (166, 127908), (171, 124168), (187, 113544), (198, 107236), (204, 104082), (209, 101592), (228, 93126), (249, 85272), (264, 80427), (306, 69388), (323, 65736), (332, 63954), (342, 62084), (374, 56772), (396, 53618), (408, 52041), (418, 50796), (456, 46563), (498, 42636), (561, 37848), (612, 34694), (627, 33864), (646, 32868), (664, 31977), (684, 31042), (747, 28424), (748, 28386), (792, 26809), (836, 25398), (913, 23256), (969, 21912), (996, 21318), (1122, 18924), (1224, 17347), (1254, 16932), (1292, 16434), (1368, 15521), (1411, 15048), (1494, 14212), (1496, 14193), (1577, 13464), (1672, 12699), (1683, 12616), (1826, 11628), (1881, 11288), (1938, 10956), (1992, 10659), (2244, 9462), (2508, 8466), (2584, 8217), (2739, 7752), (2822, 7524), (2907, 7304), (2988, 7106), (3154, 6732), (3366, 6308), (3553, 5976), (3652, 5814), (3762, 5644), (3876, 5478), (4233, 5016), (4488, 4731)]