21457530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{238417}}^1$

素因数の和:238430

約数の個数: 24

約数和(自身を含む): 55789812

約数和(自身を除く): 34332282

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 238417, 476834, 715251, 1192085, 1430502, 2145753, 2384170, 3576255, 4291506, 7152510, 10728765, 21457530]

約数ペア:

[(1, 21457530), (2, 10728765), (3, 7152510), (5, 4291506), (6, 3576255), (9, 2384170), (10, 2145753), (15, 1430502), (18, 1192085), (30, 715251), (45, 476834), (90, 238417)]