21234010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1861}}^1$

素因数の和:2038

約数の個数: 32

約数和(自身を含む): 43972992

約数和(自身を除く): 22738982

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 163, 326, 815, 1141, 1630, 1861, 2282, 3722, 5705, 9305, 11410, 13027, 18610, 26054, 65135, 130270, 303343, 606686, 1516715, 2123401, 3033430, 4246802, 10617005, 21234010]

約数ペア:

[(1, 21234010), (2, 10617005), (5, 4246802), (7, 3033430), (10, 2123401), (14, 1516715), (35, 606686), (70, 303343), (163, 130270), (326, 65135), (815, 26054), (1141, 18610), (1630, 13027), (1861, 11410), (2282, 9305), (3722, 5705)]