21490816

素因数分解:

$2^7\times {\mathrm{379}}^1\times {\mathrm{443}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 43023600

約数和(自身を除く): 21532784

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 379, 443, 758, 886, 1516, 1772, 3032, 3544, 6064, 7088, 12128, 14176, 24256, 28352, 48512, 56704, 167897, 335794, 671588, 1343176, 2686352, 5372704, 10745408, 21490816]

約数ペア:

[(1, 21490816), (2, 10745408), (4, 5372704), (8, 2686352), (16, 1343176), (32, 671588), (64, 335794), (128, 167897), (379, 56704), (443, 48512), (758, 28352), (886, 24256), (1516, 14176), (1772, 12128), (3032, 7088), (3544, 6064)]