21937450

素因数分解:

$2^1\times 5^2\times {\mathrm{271}}^1\times {\mathrm{1619}}^1$

素因数の和:1902

約数の個数: 24

約数和(自身を含む): 40979520

約数和(自身を除く): 19042070

約数列:

[1, 2, 5, 10, 25, 50, 271, 542, 1355, 1619, 2710, 3238, 6775, 8095, 13550, 16190, 40475, 80950, 438749, 877498, 2193745, 4387490, 10968725, 21937450]

約数ペア:

[(1, 21937450), (2, 10968725), (5, 4387490), (10, 2193745), (25, 877498), (50, 438749), (271, 80950), (542, 40475), (1355, 16190), (1619, 13550), (2710, 8095), (3238, 6775)]