21927230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5441}}^1$

素因数の和:5492

約数の個数: 32

約数和(自身を含む): 43884288

約数和(自身を除く): 21957058

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 5441, 10882, 27205, 54410, 70733, 141466, 168671, 337342, 353665, 707330, 843355, 1686710, 2192723, 4385446, 10963615, 21927230]

約数ペア:

[(1, 21927230), (2, 10963615), (5, 4385446), (10, 2192723), (13, 1686710), (26, 843355), (31, 707330), (62, 353665), (65, 337342), (130, 168671), (155, 141466), (310, 70733), (403, 54410), (806, 27205), (2015, 10882), (4030, 5441)]