21520110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2647}}^1$

素因数の和:2928

約数の個数: 32

約数和(自身を含む): 51858432

約数和(自身を除く): 30338322

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 271, 542, 813, 1355, 1626, 2647, 2710, 4065, 5294, 7941, 8130, 13235, 15882, 26470, 39705, 79410, 717337, 1434674, 2152011, 3586685, 4304022, 7173370, 10760055, 21520110]

約数ペア:

[(1, 21520110), (2, 10760055), (3, 7173370), (5, 4304022), (6, 3586685), (10, 2152011), (15, 1434674), (30, 717337), (271, 79410), (542, 39705), (813, 26470), (1355, 15882), (1626, 13235), (2647, 8130), (2710, 7941), (4065, 5294)]