21618414

素因数分解:

$2^1\times 3^4\times {\mathrm{133447}}^1$

素因数の和:133461

約数の個数: 20

約数和(自身を含む): 48441624

約数和(自身を除く): 26823210

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 133447, 266894, 400341, 800682, 1201023, 2402046, 3603069, 7206138, 10809207, 21618414]

約数ペア:

[(1, 21618414), (2, 10809207), (3, 7206138), (6, 3603069), (9, 2402046), (18, 1201023), (27, 800682), (54, 400341), (81, 266894), (162, 133447)]