21923990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{18119}}^1$

素因数の和:18148

約数の個数: 24

約数和(自身を含む): 43379280

約数和(自身を除く): 21455290

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 18119, 36238, 90595, 181190, 199309, 398618, 996545, 1993090, 2192399, 4384798, 10961995, 21923990]

約数ペア:

[(1, 21923990), (2, 10961995), (5, 4384798), (10, 2192399), (11, 1993090), (22, 996545), (55, 398618), (110, 199309), (121, 181190), (242, 90595), (605, 36238), (1210, 18119)]