21317466

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 43642368

約数和(自身を除く): 22324902

約数列:

[1, 2, 3, 6, 71, 142, 163, 213, 307, 326, 426, 489, 614, 921, 978, 1842, 11573, 21797, 23146, 34719, 43594, 50041, 65391, 69438, 100082, 130782, 150123, 300246, 3552911, 7105822, 10658733, 21317466]

約数ペア:

[(1, 21317466), (2, 10658733), (3, 7105822), (6, 3552911), (71, 300246), (142, 150123), (163, 130782), (213, 100082), (307, 69438), (326, 65391), (426, 50041), (489, 43594), (614, 34719), (921, 23146), (978, 21797), (1842, 11573)]