21150904

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{24709}}^1$

素因数の和:24822

約数の個数: 16

約数和(自身を含む): 40030200

約数和(自身を除く): 18879296

約数列:

[1, 2, 4, 8, 107, 214, 428, 856, 24709, 49418, 98836, 197672, 2643863, 5287726, 10575452, 21150904]

約数ペア:

[(1, 21150904), (2, 10575452), (4, 5287726), (8, 2643863), (107, 197672), (214, 98836), (428, 49418), (856, 24709)]