21621114

素因数分解:

$2^1\times 3^3\times {\mathrm{400391}}^1$

素因数の和:400402

約数の個数: 16

約数和(自身を含む): 48047040

約数和(自身を除く): 26425926

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 400391, 800782, 1201173, 2402346, 3603519, 7207038, 10810557, 21621114]

約数ペア:

[(1, 21621114), (2, 10810557), (3, 7207038), (6, 3603519), (9, 2402346), (18, 1201173), (27, 800782), (54, 400391)]