21077862

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{270229}}^1$

素因数の和:270247

約数の個数: 16

約数和(自身を含む): 45398640

約数和(自身を除く): 24320778

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 270229, 540458, 810687, 1621374, 3512977, 7025954, 10538931, 21077862]

約数ペア:

[(1, 21077862), (2, 10538931), (3, 7025954), (6, 3512977), (13, 1621374), (26, 810687), (39, 540458), (78, 270229)]