21030513

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{58909}}^1$

素因数の和:58936

約数の個数: 16

約数和(自身を含む): 33932160

約数和(自身を除く): 12901647

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 58909, 176727, 412363, 1001453, 1237089, 3004359, 7010171, 21030513]

約数ペア:

[(1, 21030513), (3, 7010171), (7, 3004359), (17, 1237089), (21, 1001453), (51, 412363), (119, 176727), (357, 58909)]