21498152

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{15901}}^1$

素因数の和:15933

約数の個数: 24

約数和(自身を含む): 43650990

約数和(自身を除く): 22152838

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 15901, 31802, 63604, 127208, 206713, 413426, 826852, 1653704, 2687269, 5374538, 10749076, 21498152]

約数ペア:

[(1, 21498152), (2, 10749076), (4, 5374538), (8, 2687269), (13, 1653704), (26, 826852), (52, 413426), (104, 206713), (169, 127208), (338, 63604), (676, 31802), (1352, 15901)]