21525490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8311}}^1$

素因数の和:8362

約数の個数: 32

約数和(自身を含む): 45483264

約数和(自身を除く): 23957774

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 8311, 16622, 41555, 58177, 83110, 116354, 290885, 307507, 581770, 615014, 1537535, 2152549, 3075070, 4305098, 10762745, 21525490]

約数ペア:

[(1, 21525490), (2, 10762745), (5, 4305098), (7, 3075070), (10, 2152549), (14, 1537535), (35, 615014), (37, 581770), (70, 307507), (74, 290885), (185, 116354), (259, 83110), (370, 58177), (518, 41555), (1295, 16622), (2590, 8311)]