21523156

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{1031}}^1$

素因数の和:1359

約数の個数: 24

約数和(自身を含む): 40049856

約数和(自身を除く): 18526700

約数列:

[1, 2, 4, 17, 34, 68, 307, 614, 1031, 1228, 2062, 4124, 5219, 10438, 17527, 20876, 35054, 70108, 316517, 633034, 1266068, 5380789, 10761578, 21523156]

約数ペア:

[(1, 21523156), (2, 10761578), (4, 5380789), (17, 1266068), (34, 633034), (68, 316517), (307, 70108), (614, 35054), (1031, 20876), (1228, 17527), (2062, 10438), (4124, 5219)]