21905727

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{1693}}^1$

素因数の和:1942

約数の個数: 16

約数和(自身を含む): 30898560

約数和(自身を除く): 8992833

約数列:

[1, 3, 19, 57, 227, 681, 1693, 4313, 5079, 12939, 32167, 96501, 384311, 1152933, 7301909, 21905727]

約数ペア:

[(1, 21905727), (3, 7301909), (19, 1152933), (57, 384311), (227, 96501), (681, 32167), (1693, 12939), (4313, 5079)]