21010832

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{30539}}^1$

素因数の和:30590

約数の個数: 20

約数和(自身を含む): 41656560

約数和(自身を除く): 20645728

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 30539, 61078, 122156, 244312, 488624, 1313177, 2626354, 5252708, 10505416, 21010832]

約数ペア:

[(1, 21010832), (2, 10505416), (4, 5252708), (8, 2626354), (16, 1313177), (43, 488624), (86, 244312), (172, 122156), (344, 61078), (688, 30539)]