21945870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{81281}}^1$

素因数の和:81297

約数の個数: 32

約数和(自身を含む): 58523040

約数和(自身を除く): 36577170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 81281, 162562, 243843, 406405, 487686, 731529, 812810, 1219215, 1463058, 2194587, 2438430, 3657645, 4389174, 7315290, 10972935, 21945870]

約数ペア:

[(1, 21945870), (2, 10972935), (3, 7315290), (5, 4389174), (6, 3657645), (9, 2438430), (10, 2194587), (15, 1463058), (18, 1219215), (27, 812810), (30, 731529), (45, 487686), (54, 406405), (90, 243843), (135, 162562), (270, 81281)]