21137555852

素因数分解:

$2^2\times 7^1\times {\mathrm{6113}}^1\times {\mathrm{123493}}^1$

素因数の和:129617

約数の個数: 24

約数和(自身を含む): 42282369696

約数和(自身を除く): 21144813844

約数列:

[1, 2, 4, 7, 14, 28, 6113, 12226, 24452, 42791, 85582, 123493, 171164, 246986, 493972, 864451, 1728902, 3457804, 754912709, 1509825418, 3019650836, 5284388963, 10568777926, 21137555852]

約数ペア:

[(1, 21137555852), (2, 10568777926), (4, 5284388963), (7, 3019650836), (14, 1509825418), (28, 754912709), (6113, 3457804), (12226, 1728902), (24452, 864451), (42791, 493972), (85582, 246986), (123493, 171164)]