21214160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{24107}}^1$

素因数の和:24131

約数の個数: 40

約数和(自身を含む): 53809056

約数和(自身を除く): 32594896

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 24107, 48214, 96428, 120535, 192856, 241070, 265177, 385712, 482140, 530354, 964280, 1060708, 1325885, 1928560, 2121416, 2651770, 4242832, 5303540, 10607080, 21214160]

約数ペア:

[(1, 21214160), (2, 10607080), (4, 5303540), (5, 4242832), (8, 2651770), (10, 2121416), (11, 1928560), (16, 1325885), (20, 1060708), (22, 964280), (40, 530354), (44, 482140), (55, 385712), (80, 265177), (88, 241070), (110, 192856), (176, 120535), (220, 96428), (440, 48214), (880, 24107)]