21294832

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2767}}^1$

素因数の和:2825

約数の個数: 40

約数和(自身を含む): 45649856

約数和(自身を除く): 24355024

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 2767, 3848, 5534, 7696, 11068, 22136, 35971, 44272, 71942, 102379, 143884, 204758, 287768, 409516, 575536, 819032, 1330927, 1638064, 2661854, 5323708, 10647416, 21294832]

約数ペア:

[(1, 21294832), (2, 10647416), (4, 5323708), (8, 2661854), (13, 1638064), (16, 1330927), (26, 819032), (37, 575536), (52, 409516), (74, 287768), (104, 204758), (148, 143884), (208, 102379), (296, 71942), (481, 44272), (592, 35971), (962, 22136), (1924, 11068), (2767, 7696), (3848, 5534)]