21899470

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{50929}}^1$

素因数の和:50979

約数の個数: 16

約数和(自身を含む): 40336560

約数和(自身を除く): 18437090

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 50929, 101858, 254645, 509290, 2189947, 4379894, 10949735, 21899470]

約数ペア:

[(1, 21899470), (2, 10949735), (5, 4379894), (10, 2189947), (43, 509290), (86, 254645), (215, 101858), (430, 50929)]