21972430

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{75767}}^1$

素因数の和:75803

約数の個数: 16

約数和(自身を含む): 40914720

約数和(自身を除く): 18942290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 75767, 151534, 378835, 757670, 2197243, 4394486, 10986215, 21972430]

約数ペア:

[(1, 21972430), (2, 10986215), (5, 4394486), (10, 2197243), (29, 757670), (58, 378835), (145, 151534), (290, 75767)]