21254248

素因数分解:

$2^3\times {\mathrm{1451}}^1\times {\mathrm{1831}}^1$

素因数の和:3288

約数の個数: 16

約数和(自身を含む): 39900960

約数和(自身を除く): 18646712

約数列:

[1, 2, 4, 8, 1451, 1831, 2902, 3662, 5804, 7324, 11608, 14648, 2656781, 5313562, 10627124, 21254248]

約数ペア:

[(1, 21254248), (2, 10627124), (4, 5313562), (8, 2656781), (1451, 14648), (1831, 11608), (2902, 7324), (3662, 5804)]