21572354

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{7129}}^1$

素因数の和:7237

約数の個数: 16

約数和(自身を含む): 34651800

約数和(自身を除く): 13079446

約数列:

[1, 2, 17, 34, 89, 178, 1513, 3026, 7129, 14258, 121193, 242386, 634481, 1268962, 10786177, 21572354]

約数ペア:

[(1, 21572354), (2, 10786177), (17, 1268962), (34, 634481), (89, 242386), (178, 121193), (1513, 14258), (3026, 7129)]