21887798

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{719}}^1$

素因数の和:1243

約数の個数: 16

約数和(自身を含む): 34007040

約数和(自身を除く): 12119242

約数列:

[1, 2, 31, 62, 491, 719, 982, 1438, 15221, 22289, 30442, 44578, 353029, 706058, 10943899, 21887798]

約数ペア:

[(1, 21887798), (2, 10943899), (31, 706058), (62, 353029), (491, 44578), (719, 30442), (982, 22289), (1438, 15221)]