21659156

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{719}}^1$

素因数の和:1183

約数の個数: 24

約数和(自身を含む): 40279680

約数和(自身を除く): 18620524

約数列:

[1, 2, 4, 17, 34, 68, 443, 719, 886, 1438, 1772, 2876, 7531, 12223, 15062, 24446, 30124, 48892, 318517, 637034, 1274068, 5414789, 10829578, 21659156]

約数ペア:

[(1, 21659156), (2, 10829578), (4, 5414789), (17, 1274068), (34, 637034), (68, 318517), (443, 48892), (719, 30124), (886, 24446), (1438, 15062), (1772, 12223), (2876, 7531)]