21035637

素因数分解:

$3^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{881}}^1$

素因数の和:1273

約数の個数: 24

約数和(自身を含む): 34856640

約数和(自身を除く): 13821003

約数列:

[1, 3, 7, 9, 21, 63, 379, 881, 1137, 2643, 2653, 3411, 6167, 7929, 7959, 18501, 23877, 55503, 333899, 1001697, 2337293, 3005091, 7011879, 21035637]

約数ペア:

[(1, 21035637), (3, 7011879), (7, 3005091), (9, 2337293), (21, 1001697), (63, 333899), (379, 55503), (881, 23877), (1137, 18501), (2643, 7959), (2653, 7929), (3411, 6167)]