21268572

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{136337}}^1$

素因数の和:136357

約数の個数: 24

約数和(自身を含む): 53444496

約数和(自身を除く): 32175924

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 136337, 272674, 409011, 545348, 818022, 1636044, 1772381, 3544762, 5317143, 7089524, 10634286, 21268572]

約数ペア:

[(1, 21268572), (2, 10634286), (3, 7089524), (4, 5317143), (6, 3544762), (12, 1772381), (13, 1636044), (26, 818022), (39, 545348), (52, 409011), (78, 272674), (156, 136337)]