21160305

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3823}}^1$

素因数の和:3878

約数の個数: 32

約数和(自身を含む): 38545920

約数和(自身を除く): 17385615

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 205, 369, 615, 1107, 1845, 3823, 5535, 11469, 19115, 34407, 57345, 103221, 156743, 172035, 470229, 516105, 783715, 1410687, 2351145, 4232061, 7053435, 21160305]

約数ペア:

[(1, 21160305), (3, 7053435), (5, 4232061), (9, 2351145), (15, 1410687), (27, 783715), (41, 516105), (45, 470229), (123, 172035), (135, 156743), (205, 103221), (369, 57345), (615, 34407), (1107, 19115), (1845, 11469), (3823, 5535)]