21990959917

素因数分解:

${\mathrm{19}}^1\times {\mathrm{937}}^1\times {\mathrm{1235239}}^1$

素因数の和:1236195

約数の個数: 8

約数和(自身を含む): 23173102400

約数和(自身を除く): 1182142483

約数列:

[1, 19, 937, 17803, 1235239, 23469541, 1157418943, 21990959917]

約数ペア:

[(1, 21990959917), (19, 1157418943), (937, 23469541), (17803, 1235239)]