21573804964

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{6841}}^1\times {\mathrm{6977}}^1$

素因数の和:13935

約数の個数: 24

約数和(自身を含む): 38099293848

約数和(自身を除く): 16525488884

約数列:

[1, 2, 4, 113, 226, 452, 6841, 6977, 13682, 13954, 27364, 27908, 773033, 788401, 1546066, 1576802, 3092132, 3153604, 47729657, 95459314, 190918628, 5393451241, 10786902482, 21573804964]

約数ペア:

[(1, 21573804964), (2, 10786902482), (4, 5393451241), (113, 190918628), (226, 95459314), (452, 47729657), (6841, 3153604), (6977, 3092132), (13682, 1576802), (13954, 1546066), (27364, 788401), (27908, 773033)]