21738650

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{10111}}^1$

素因数の和:10166

約数の個数: 24

約数和(自身を含む): 41378304

約数和(自身を除く): 19639654

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 1075, 2150, 10111, 20222, 50555, 101110, 252775, 434773, 505550, 869546, 2173865, 4347730, 10869325, 21738650]

約数ペア:

[(1, 21738650), (2, 10869325), (5, 4347730), (10, 2173865), (25, 869546), (43, 505550), (50, 434773), (86, 252775), (215, 101110), (430, 50555), (1075, 20222), (2150, 10111)]