21839238

素因数分解:

$2^1\times 3^2\times {\mathrm{389}}^1\times {\mathrm{3119}}^1$

素因数の和:3516

約数の個数: 24

約数和(自身を含む): 47455200

約数和(自身を除く): 25615962

約数列:

[1, 2, 3, 6, 9, 18, 389, 778, 1167, 2334, 3119, 3501, 6238, 7002, 9357, 18714, 28071, 56142, 1213291, 2426582, 3639873, 7279746, 10919619, 21839238]

約数ペア:

[(1, 21839238), (2, 10919619), (3, 7279746), (6, 3639873), (9, 2426582), (18, 1213291), (389, 56142), (778, 28071), (1167, 18714), (2334, 9357), (3119, 7002), (3501, 6238)]