21587830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{857}}^1$

素因数の和:1104

約数の個数: 32

約数和(自身を含む): 42625440

約数和(自身を除く): 21037610

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 229, 458, 857, 1145, 1714, 2290, 2519, 4285, 5038, 8570, 9427, 12595, 18854, 25190, 47135, 94270, 196253, 392506, 981265, 1962530, 2158783, 4317566, 10793915, 21587830]

約数ペア:

[(1, 21587830), (2, 10793915), (5, 4317566), (10, 2158783), (11, 1962530), (22, 981265), (55, 392506), (110, 196253), (229, 94270), (458, 47135), (857, 25190), (1145, 18854), (1714, 12595), (2290, 9427), (2519, 8570), (4285, 5038)]