21709638

素因数分解:

$2^1\times 3^2\times {\mathrm{653}}^1\times {\mathrm{1847}}^1$

素因数の和:2508

約数の個数: 24

約数和(自身を含む): 47135088

約数和(自身を除く): 25425450

約数列:

[1, 2, 3, 6, 9, 18, 653, 1306, 1847, 1959, 3694, 3918, 5541, 5877, 11082, 11754, 16623, 33246, 1206091, 2412182, 3618273, 7236546, 10854819, 21709638]

約数ペア:

[(1, 21709638), (2, 10854819), (3, 7236546), (6, 3618273), (9, 2412182), (18, 1206091), (653, 33246), (1306, 16623), (1847, 11754), (1959, 11082), (3694, 5877), (3918, 5541)]