21486950

素因数分解:

$2^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{3803}}^1$

素因数の和:3928

約数の個数: 24

約数和(自身を含む): 40330008

約数和(自身を除く): 18843058

約数列:

[1, 2, 5, 10, 25, 50, 113, 226, 565, 1130, 2825, 3803, 5650, 7606, 19015, 38030, 95075, 190150, 429739, 859478, 2148695, 4297390, 10743475, 21486950]

約数ペア:

[(1, 21486950), (2, 10743475), (5, 4297390), (10, 2148695), (25, 859478), (50, 429739), (113, 190150), (226, 95075), (565, 38030), (1130, 19015), (2825, 7606), (3803, 5650)]