21876315

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1301}}^1$

素因数の和:1387

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 15621285

約数列:

[1, 3, 5, 15, 19, 57, 59, 95, 177, 285, 295, 885, 1121, 1301, 3363, 3903, 5605, 6505, 16815, 19515, 24719, 74157, 76759, 123595, 230277, 370785, 383795, 1151385, 1458421, 4375263, 7292105, 21876315]

約数ペア:

[(1, 21876315), (3, 7292105), (5, 4375263), (15, 1458421), (19, 1151385), (57, 383795), (59, 370785), (95, 230277), (177, 123595), (285, 76759), (295, 74157), (885, 24719), (1121, 19515), (1301, 16815), (3363, 6505), (3903, 5605)]