21328968

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{12517}}^1$

素因数の和:12597

約数の個数: 32

約数和(自身を含む): 54077760

約数和(自身を除く): 32748792

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 12517, 25034, 37551, 50068, 75102, 100136, 150204, 300408, 888707, 1777414, 2666121, 3554828, 5332242, 7109656, 10664484, 21328968]

約数ペア:

[(1, 21328968), (2, 10664484), (3, 7109656), (4, 5332242), (6, 3554828), (8, 2666121), (12, 1777414), (24, 888707), (71, 300408), (142, 150204), (213, 100136), (284, 75102), (426, 50068), (568, 37551), (852, 25034), (1704, 12517)]