21198942

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{13537}}^1$

素因数の和:13577

約数の個数: 32

約数和(自身を含む): 48736800

約数和(自身を除く): 27537858

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 174, 261, 522, 783, 1566, 13537, 27074, 40611, 81222, 121833, 243666, 365499, 392573, 730998, 785146, 1177719, 2355438, 3533157, 7066314, 10599471, 21198942]

約数ペア:

[(1, 21198942), (2, 10599471), (3, 7066314), (6, 3533157), (9, 2355438), (18, 1177719), (27, 785146), (29, 730998), (54, 392573), (58, 365499), (87, 243666), (174, 121833), (261, 81222), (522, 40611), (783, 27074), (1566, 13537)]