21972070

素因数分解:

$2^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{7499}}^1$

素因数の和:7799

約数の個数: 16

約数和(自身を含む): 39690000

約数和(自身を除く): 17717930

約数列:

[1, 2, 5, 10, 293, 586, 1465, 2930, 7499, 14998, 37495, 74990, 2197207, 4394414, 10986035, 21972070]

約数ペア:

[(1, 21972070), (2, 10986035), (5, 4394414), (10, 2197207), (293, 74990), (586, 37495), (1465, 14998), (2930, 7499)]