21085888

素因数分解:

$2^6\times {\mathrm{571}}^1\times {\mathrm{577}}^1$

素因数の和:1160

約数の個数: 28

約数和(自身を含む): 41988232

約数和(自身を除く): 20902344

約数列:

[1, 2, 4, 8, 16, 32, 64, 571, 577, 1142, 1154, 2284, 2308, 4568, 4616, 9136, 9232, 18272, 18464, 36544, 36928, 329467, 658934, 1317868, 2635736, 5271472, 10542944, 21085888]

約数ペア:

[(1, 21085888), (2, 10542944), (4, 5271472), (8, 2635736), (16, 1317868), (32, 658934), (64, 329467), (571, 36928), (577, 36544), (1142, 18464), (1154, 18272), (2284, 9232), (2308, 9136), (4568, 4616)]