21275398

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{6451}}^1$

素因数の和:6567

約数の個数: 16

約数和(自身を含む): 34143984

約数和(自身を除く): 12868586

約数列:

[1, 2, 17, 34, 97, 194, 1649, 3298, 6451, 12902, 109667, 219334, 625747, 1251494, 10637699, 21275398]

約数ペア:

[(1, 21275398), (2, 10637699), (17, 1251494), (34, 625747), (97, 219334), (194, 109667), (1649, 12902), (3298, 6451)]