21695460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1579}}^1$

素因数の和:1820

約数の個数: 48

約数和(自身を含む): 61051200

約数和(自身を除く): 39355740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 229, 458, 687, 916, 1145, 1374, 1579, 2290, 2748, 3158, 3435, 4580, 4737, 6316, 6870, 7895, 9474, 13740, 15790, 18948, 23685, 31580, 47370, 94740, 361591, 723182, 1084773, 1446364, 1807955, 2169546, 3615910, 4339092, 5423865, 7231820, 10847730, 21695460]

約数ペア:

[(1, 21695460), (2, 10847730), (3, 7231820), (4, 5423865), (5, 4339092), (6, 3615910), (10, 2169546), (12, 1807955), (15, 1446364), (20, 1084773), (30, 723182), (60, 361591), (229, 94740), (458, 47370), (687, 31580), (916, 23685), (1145, 18948), (1374, 15790), (1579, 13740), (2290, 9474), (2748, 7895), (3158, 6870), (3435, 6316), (4580, 4737)]