21352806

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{19447}}^1$

素因数の和:19516

約数の個数: 24

約数和(自身を含む): 47025264

約数和(自身を除く): 25672458

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 19447, 38894, 58341, 116682, 175023, 350046, 1186267, 2372534, 3558801, 7117602, 10676403, 21352806]

約数ペア:

[(1, 21352806), (2, 10676403), (3, 7117602), (6, 3558801), (9, 2372534), (18, 1186267), (61, 350046), (122, 175023), (183, 116682), (366, 58341), (549, 38894), (1098, 19447)]