21880448

素因数分解:

$2^7\times {\mathrm{199}}^1\times {\mathrm{859}}^1$

素因数の和:1072

約数の個数: 32

約数和(自身を含む): 43860000

約数和(自身を除く): 21979552

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 199, 398, 796, 859, 1592, 1718, 3184, 3436, 6368, 6872, 12736, 13744, 25472, 27488, 54976, 109952, 170941, 341882, 683764, 1367528, 2735056, 5470112, 10940224, 21880448]

約数ペア:

[(1, 21880448), (2, 10940224), (4, 5470112), (8, 2735056), (16, 1367528), (32, 683764), (64, 341882), (128, 170941), (199, 109952), (398, 54976), (796, 27488), (859, 25472), (1592, 13744), (1718, 12736), (3184, 6872), (3436, 6368)]