21947604

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{261281}}^1$

素因数の和:261295

約数の個数: 24

約数和(自身を含む): 58527168

約数和(自身を除く): 36579564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 261281, 522562, 783843, 1045124, 1567686, 1828967, 3135372, 3657934, 5486901, 7315868, 10973802, 21947604]

約数ペア:

[(1, 21947604), (2, 10973802), (3, 7315868), (4, 5486901), (6, 3657934), (7, 3135372), (12, 1828967), (14, 1567686), (21, 1045124), (28, 783843), (42, 522562), (84, 261281)]