21490190017

素因数分解:

${\mathrm{61}}^1\times {\mathrm{397}}^1\times {\mathrm{887401}}^1$

素因数の和:887859

約数の個数: 8

約数和(自身を含む): 21897531752

約数和(自身を除く): 407341735

約数列:

[1, 61, 397, 24217, 887401, 54131461, 352298197, 21490190017]

約数ペア:

[(1, 21490190017), (61, 352298197), (397, 54131461), (24217, 887401)]