21161256

素因数分解:

$2^3\times 3^1\times {\mathrm{79}}^1\times {\mathrm{11161}}^1$

素因数の和:11249

約数の個数: 32

約数和(自身を含む): 53577600

約数和(自身を除く): 32416344

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 79, 158, 237, 316, 474, 632, 948, 1896, 11161, 22322, 33483, 44644, 66966, 89288, 133932, 267864, 881719, 1763438, 2645157, 3526876, 5290314, 7053752, 10580628, 21161256]

約数ペア:

[(1, 21161256), (2, 10580628), (3, 7053752), (4, 5290314), (6, 3526876), (8, 2645157), (12, 1763438), (24, 881719), (79, 267864), (158, 133932), (237, 89288), (316, 66966), (474, 44644), (632, 33483), (948, 22322), (1896, 11161)]