21268290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{708943}}^1$

素因数の和:708953

約数の個数: 16

約数和(自身を含む): 51043968

約数和(自身を除く): 29775678

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 708943, 1417886, 2126829, 3544715, 4253658, 7089430, 10634145, 21268290]

約数ペア:

[(1, 21268290), (2, 10634145), (3, 7089430), (5, 4253658), (6, 3544715), (10, 2126829), (15, 1417886), (30, 708943)]