21971042

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{1451}}^1$

素因数の和:1633

約数の個数: 16

約数和(自身を含む): 33767712

約数和(自身を除く): 11796670

約数列:

[1, 2, 67, 113, 134, 226, 1451, 2902, 7571, 15142, 97217, 163963, 194434, 327926, 10985521, 21971042]

約数ペア:

[(1, 21971042), (2, 10985521), (67, 327926), (113, 194434), (134, 163963), (226, 97217), (1451, 15142), (2902, 7571)]