21653130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{877}}^1$

素因数の和:1710

約数の個数: 32

約数和(自身を含む): 52089984

約数和(自身を除く): 30436854

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 823, 877, 1646, 1754, 2469, 2631, 4115, 4385, 4938, 5262, 8230, 8770, 12345, 13155, 24690, 26310, 721771, 1443542, 2165313, 3608855, 4330626, 7217710, 10826565, 21653130]

約数ペア:

[(1, 21653130), (2, 10826565), (3, 7217710), (5, 4330626), (6, 3608855), (10, 2165313), (15, 1443542), (30, 721771), (823, 26310), (877, 24690), (1646, 13155), (1754, 12345), (2469, 8770), (2631, 8230), (4115, 5262), (4385, 4938)]