21167110

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68281}}^1$

素因数の和:68319

約数の個数: 16

約数和(自身を含む): 39330432

約数和(自身を除く): 18163322

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 68281, 136562, 341405, 682810, 2116711, 4233422, 10583555, 21167110]

約数ペア:

[(1, 21167110), (2, 10583555), (5, 4233422), (10, 2116711), (31, 682810), (62, 341405), (155, 136562), (310, 68281)]