21007294

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12401}}^1$

素因数の和:12432

約数の個数: 24

約数和(自身を含む): 39587184

約数和(自身を除く): 18579890

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 12401, 24802, 86807, 136411, 173614, 272822, 954877, 1500521, 1909754, 3001042, 10503647, 21007294]

約数ペア:

[(1, 21007294), (2, 10503647), (7, 3001042), (11, 1909754), (14, 1500521), (22, 954877), (77, 272822), (121, 173614), (154, 136411), (242, 86807), (847, 24802), (1694, 12401)]