21050974

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79139}}^1$

素因数の和:79167

約数の個数: 16

約数和(自身を含む): 37987200

約数和(自身を除く): 16936226

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 79139, 158278, 553973, 1107946, 1503641, 3007282, 10525487, 21050974]

約数ペア:

[(1, 21050974), (2, 10525487), (7, 3007282), (14, 1503641), (19, 1107946), (38, 553973), (133, 158278), (266, 79139)]