21225186

素因数分解:

$2^1\times 3^3\times {\mathrm{393059}}^1$

素因数の和:393070

約数の個数: 16

約数和(自身を含む): 47167200

約数和(自身を除く): 25942014

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 393059, 786118, 1179177, 2358354, 3537531, 7075062, 10612593, 21225186]

約数ペア:

[(1, 21225186), (2, 10612593), (3, 7075062), (6, 3537531), (9, 2358354), (18, 1179177), (27, 786118), (54, 393059)]