21225722

素因数分解:

$2^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{3671}}^1$

素因数の和:3746

約数の個数: 24

約数和(自身を含む): 37674720

約数和(自身を除く): 16448998

約数列:

[1, 2, 7, 14, 49, 59, 98, 118, 413, 826, 2891, 3671, 5782, 7342, 25697, 51394, 179879, 216589, 359758, 433178, 1516123, 3032246, 10612861, 21225722]

約数ペア:

[(1, 21225722), (2, 10612861), (7, 3032246), (14, 1516123), (49, 433178), (59, 359758), (98, 216589), (118, 179879), (413, 51394), (826, 25697), (2891, 7342), (3671, 5782)]