21622041

素因数分解:

$3^2\times 7^1\times {\mathrm{457}}^1\times {\mathrm{751}}^1$

素因数の和:1221

約数の個数: 24

約数和(自身を含む): 35819264

約数和(自身を除く): 14197223

約数列:

[1, 3, 7, 9, 21, 63, 457, 751, 1371, 2253, 3199, 4113, 5257, 6759, 9597, 15771, 28791, 47313, 343207, 1029621, 2402449, 3088863, 7207347, 21622041]

約数ペア:

[(1, 21622041), (3, 7207347), (7, 3088863), (9, 2402449), (21, 1029621), (63, 343207), (457, 47313), (751, 28791), (1371, 15771), (2253, 9597), (3199, 6759), (4113, 5257)]