21840842

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{1601}}^1$

素因数の和:1981

約数の個数: 16

約数和(自身を含む): 34603200

約数和(自身を除く): 12762358

約数列:

[1, 2, 19, 38, 359, 718, 1601, 3202, 6821, 13642, 30419, 60838, 574759, 1149518, 10920421, 21840842]

約数ペア:

[(1, 21840842), (2, 10920421), (19, 1149518), (38, 574759), (359, 60838), (718, 30419), (1601, 13642), (3202, 6821)]