21228450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1459}}^1$

素因数の和:1571

約数の個数: 48

約数和(自身を含む): 53225760

約数和(自身を除く): 31997310

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 97, 150, 194, 291, 485, 582, 970, 1455, 1459, 2425, 2910, 2918, 4377, 4850, 7275, 7295, 8754, 14550, 14590, 21885, 36475, 43770, 72950, 109425, 141523, 218850, 283046, 424569, 707615, 849138, 1415230, 2122845, 3538075, 4245690, 7076150, 10614225, 21228450]

約数ペア:

[(1, 21228450), (2, 10614225), (3, 7076150), (5, 4245690), (6, 3538075), (10, 2122845), (15, 1415230), (25, 849138), (30, 707615), (50, 424569), (75, 283046), (97, 218850), (150, 141523), (194, 109425), (291, 72950), (485, 43770), (582, 36475), (970, 21885), (1455, 14590), (1459, 14550), (2425, 8754), (2910, 7295), (2918, 7275), (4377, 4850)]