20210608551

素因数分解:

$3^1\times 7^3\times {\mathrm{19641019}}^1$

素因数の和:19641043

約数の個数: 16

約数和(自身を含む): 31425632000

約数和(自身を除く): 11215023449

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 19641019, 58923057, 137487133, 412461399, 962409931, 2887229793, 6736869517, 20210608551]

約数ペア:

[(1, 20210608551), (3, 6736869517), (7, 2887229793), (21, 962409931), (49, 412461399), (147, 137487133), (343, 58923057), (1029, 19641019)]