21543778

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{11423}}^1$

素因数の和:11489

約数の個数: 16

約数和(自身を含む): 34546176

約数和(自身を除く): 13002398

約数列:

[1, 2, 23, 41, 46, 82, 943, 1886, 11423, 22846, 262729, 468343, 525458, 936686, 10771889, 21543778]

約数ペア:

[(1, 21543778), (2, 10771889), (23, 936686), (41, 525458), (46, 468343), (82, 262729), (943, 22846), (1886, 11423)]