21778316

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{13183}}^1$

素因数の和:13253

約数の個数: 24

約数和(自身を含む): 44298240

約数和(自身を除く): 22519924

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 13183, 26366, 52732, 92281, 184562, 369124, 777797, 1555594, 3111188, 5444579, 10889158, 21778316]

約数ペア:

[(1, 21778316), (2, 10889158), (4, 5444579), (7, 3111188), (14, 1555594), (28, 777797), (59, 369124), (118, 184562), (236, 92281), (413, 52732), (826, 26366), (1652, 13183)]