21375636

素因数分解:

$2^2\times 3^1\times {\mathrm{443}}^1\times {\mathrm{4021}}^1$

素因数の和:4471

約数の個数: 24

約数和(自身を含む): 50001504

約数和(自身を除く): 28625868

約数列:

[1, 2, 3, 4, 6, 12, 443, 886, 1329, 1772, 2658, 4021, 5316, 8042, 12063, 16084, 24126, 48252, 1781303, 3562606, 5343909, 7125212, 10687818, 21375636]

約数ペア:

[(1, 21375636), (2, 10687818), (3, 7125212), (4, 5343909), (6, 3562606), (12, 1781303), (443, 48252), (886, 24126), (1329, 16084), (1772, 12063), (2658, 8042), (4021, 5316)]