21157392

素因数分解:

$2^4\times 3^1\times {\mathrm{211}}^1\times {\mathrm{2089}}^1$

素因数の和:2311

約数の個数: 40

約数和(自身を含む): 54941920

約数和(自身を除く): 33784528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 211, 422, 633, 844, 1266, 1688, 2089, 2532, 3376, 4178, 5064, 6267, 8356, 10128, 12534, 16712, 25068, 33424, 50136, 100272, 440779, 881558, 1322337, 1763116, 2644674, 3526232, 5289348, 7052464, 10578696, 21157392]

約数ペア:

[(1, 21157392), (2, 10578696), (3, 7052464), (4, 5289348), (6, 3526232), (8, 2644674), (12, 1763116), (16, 1322337), (24, 881558), (48, 440779), (211, 100272), (422, 50136), (633, 33424), (844, 25068), (1266, 16712), (1688, 12534), (2089, 10128), (2532, 8356), (3376, 6267), (4178, 5064)]