21053708

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{3583}}^1$

素因数の和:3713

約数の個数: 24

約数和(自身を含む): 40040448

約数和(自身を除く): 18986740

約数列:

[1, 2, 4, 13, 26, 52, 113, 226, 452, 1469, 2938, 3583, 5876, 7166, 14332, 46579, 93158, 186316, 404879, 809758, 1619516, 5263427, 10526854, 21053708]

約数ペア:

[(1, 21053708), (2, 10526854), (4, 5263427), (13, 1619516), (26, 809758), (52, 404879), (113, 186316), (226, 93158), (452, 46579), (1469, 14332), (2938, 7166), (3583, 5876)]