21869150

素因数分解:

$2^1\times 5^2\times {\mathrm{277}}^1\times {\mathrm{1579}}^1$

素因数の和:1868

約数の個数: 24

約数和(自身を含む): 40849320

約数和(自身を除く): 18980170

約数列:

[1, 2, 5, 10, 25, 50, 277, 554, 1385, 1579, 2770, 3158, 6925, 7895, 13850, 15790, 39475, 78950, 437383, 874766, 2186915, 4373830, 10934575, 21869150]

約数ペア:

[(1, 21869150), (2, 10934575), (5, 4373830), (10, 2186915), (25, 874766), (50, 437383), (277, 78950), (554, 39475), (1385, 15790), (1579, 13850), (2770, 7895), (3158, 6925)]