21359709

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{14741}}^1$

素因数の和:14777

約数の個数: 24

約数和(自身を含む): 36796032

約数和(自身を除く): 15436323

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 14741, 44223, 103187, 132669, 309561, 339043, 928683, 1017129, 2373301, 3051387, 7119903, 21359709]

約数ペア:

[(1, 21359709), (3, 7119903), (7, 3051387), (9, 2373301), (21, 1017129), (23, 928683), (63, 339043), (69, 309561), (161, 132669), (207, 103187), (483, 44223), (1449, 14741)]