21860270

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{467}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 40974336

約数和(自身を除く): 19114066

約数列:

[1, 2, 5, 10, 31, 62, 151, 155, 302, 310, 467, 755, 934, 1510, 2335, 4670, 4681, 9362, 14477, 23405, 28954, 46810, 70517, 72385, 141034, 144770, 352585, 705170, 2186027, 4372054, 10930135, 21860270]

約数ペア:

[(1, 21860270), (2, 10930135), (5, 4372054), (10, 2186027), (31, 705170), (62, 352585), (151, 144770), (155, 141034), (302, 72385), (310, 70517), (467, 46810), (755, 28954), (934, 23405), (1510, 14477), (2335, 9362), (4670, 4681)]