21915470

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{971}}^1$

素因数の和:1076

約数の個数: 32

約数和(自身を含む): 41220576

約数和(自身を除く): 19305106

約数列:

[1, 2, 5, 10, 37, 61, 74, 122, 185, 305, 370, 610, 971, 1942, 2257, 4514, 4855, 9710, 11285, 22570, 35927, 59231, 71854, 118462, 179635, 296155, 359270, 592310, 2191547, 4383094, 10957735, 21915470]

約数ペア:

[(1, 21915470), (2, 10957735), (5, 4383094), (10, 2191547), (37, 592310), (61, 359270), (74, 296155), (122, 179635), (185, 118462), (305, 71854), (370, 59231), (610, 35927), (971, 22570), (1942, 11285), (2257, 9710), (4514, 4855)]