21822520

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{3613}}^1$

素因数の和:3775

約数の個数: 32

約数和(自身を含む): 49439520

約数和(自身を除く): 27617000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 3613, 6040, 7226, 14452, 18065, 28904, 36130, 72260, 144520, 545563, 1091126, 2182252, 2727815, 4364504, 5455630, 10911260, 21822520]

約数ペア:

[(1, 21822520), (2, 10911260), (4, 5455630), (5, 4364504), (8, 2727815), (10, 2182252), (20, 1091126), (40, 545563), (151, 144520), (302, 72260), (604, 36130), (755, 28904), (1208, 18065), (1510, 14452), (3020, 7226), (3613, 6040)]