21098830

素因数分解:

$2^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{5749}}^1$

素因数の和:6123

約数の個数: 16

約数和(自身を含む): 38088000

約数和(自身を除く): 16989170

約数列:

[1, 2, 5, 10, 367, 734, 1835, 3670, 5749, 11498, 28745, 57490, 2109883, 4219766, 10549415, 21098830]

約数ペア:

[(1, 21098830), (2, 10549415), (5, 4219766), (10, 2109883), (367, 57490), (734, 28745), (1835, 11498), (3670, 5749)]