21438382

素因数分解:

$2^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{773}}^1$

素因数の和:1072

約数の個数: 24

約数和(自身を含む): 37588536

約数和(自身を除く): 16150154

約数列:

[1, 2, 7, 14, 49, 98, 283, 566, 773, 1546, 1981, 3962, 5411, 10822, 13867, 27734, 37877, 75754, 218759, 437518, 1531313, 3062626, 10719191, 21438382]

約数ペア:

[(1, 21438382), (2, 10719191), (7, 3062626), (14, 1531313), (49, 437518), (98, 218759), (283, 75754), (566, 37877), (773, 27734), (1546, 13867), (1981, 10822), (3962, 5411)]