21092638

素因数分解:

$2^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{2131}}^1$

素因数の和:2248

約数の個数: 24

約数和(自身を含む): 37186344

約数和(自身を除く): 16093706

約数列:

[1, 2, 7, 14, 49, 98, 101, 202, 707, 1414, 2131, 4262, 4949, 9898, 14917, 29834, 104419, 208838, 215231, 430462, 1506617, 3013234, 10546319, 21092638]

約数ペア:

[(1, 21092638), (2, 10546319), (7, 3013234), (14, 1506617), (49, 430462), (98, 215231), (101, 208838), (202, 104419), (707, 29834), (1414, 14917), (2131, 9898), (4262, 4949)]