21903692

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{263}}^1\times {\mathrm{443}}^1$

素因数の和:757

約数の個数: 24

約数和(自身を含む): 39384576

約数和(自身を除く): 17480884

約数列:

[1, 2, 4, 47, 94, 188, 263, 443, 526, 886, 1052, 1772, 12361, 20821, 24722, 41642, 49444, 83284, 116509, 233018, 466036, 5475923, 10951846, 21903692]

約数ペア:

[(1, 21903692), (2, 10951846), (4, 5475923), (47, 466036), (94, 233018), (188, 116509), (263, 83284), (443, 49444), (526, 41642), (886, 24722), (1052, 20821), (1772, 12361)]