21011058

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{10709}}^1$

素因数の和:10826

約数の個数: 24

約数和(自身を含む): 45945900

約数和(自身を除く): 24934842

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 327, 654, 981, 1962, 10709, 21418, 32127, 64254, 96381, 192762, 1167281, 2334562, 3501843, 7003686, 10505529, 21011058]

約数ペア:

[(1, 21011058), (2, 10505529), (3, 7003686), (6, 3501843), (9, 2334562), (18, 1167281), (109, 192762), (218, 96381), (327, 64254), (654, 32127), (981, 21418), (1962, 10709)]