21689144

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1579}}^1$

素因数の和:1703

約数の個数: 32

約数和(自身を含む): 43513200

約数和(自身を除く): 21824056

約数列:

[1, 2, 4, 8, 17, 34, 68, 101, 136, 202, 404, 808, 1579, 1717, 3158, 3434, 6316, 6868, 12632, 13736, 26843, 53686, 107372, 159479, 214744, 318958, 637916, 1275832, 2711143, 5422286, 10844572, 21689144]

約数ペア:

[(1, 21689144), (2, 10844572), (4, 5422286), (8, 2711143), (17, 1275832), (34, 637916), (68, 318958), (101, 214744), (136, 159479), (202, 107372), (404, 53686), (808, 26843), (1579, 13736), (1717, 12632), (3158, 6868), (3434, 6316)]