21270912

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{4261}}^1$

素因数の和:4291

約数の個数: 64

約数和(自身を含む): 60861360

約数和(自身を除く): 39590448

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 312, 384, 416, 624, 832, 1248, 1664, 2496, 4261, 4992, 8522, 12783, 17044, 25566, 34088, 51132, 55393, 68176, 102264, 110786, 136352, 166179, 204528, 221572, 272704, 332358, 409056, 443144, 545408, 664716, 818112, 886288, 1329432, 1636224, 1772576, 2658864, 3545152, 5317728, 7090304, 10635456, 21270912]

約数ペア:

[(1, 21270912), (2, 10635456), (3, 7090304), (4, 5317728), (6, 3545152), (8, 2658864), (12, 1772576), (13, 1636224), (16, 1329432), (24, 886288), (26, 818112), (32, 664716), (39, 545408), (48, 443144), (52, 409056), (64, 332358), (78, 272704), (96, 221572), (104, 204528), (128, 166179), (156, 136352), (192, 110786), (208, 102264), (312, 68176), (384, 55393), (416, 51132), (624, 34088), (832, 25566), (1248, 17044), (1664, 12783), (2496, 8522), (4261, 4992)]