21364833

素因数分解:

$3^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1439}}^1$

素因数の和:1557

約数の個数: 24

約数和(自身を含む): 33488640

約数和(自身を除く): 12123807

約数列:

[1, 3, 7, 21, 49, 101, 147, 303, 707, 1439, 2121, 4317, 4949, 10073, 14847, 30219, 70511, 145339, 211533, 436017, 1017373, 3052119, 7121611, 21364833]

約数ペア:

[(1, 21364833), (3, 7121611), (7, 3052119), (21, 1017373), (49, 436017), (101, 211533), (147, 145339), (303, 70511), (707, 30219), (1439, 14847), (2121, 10073), (4317, 4949)]