21907578

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47419}}^1$

素因数の和:47442

約数の個数: 32

約数和(自身を含む): 54627840

約数和(自身を除く): 32720262

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 47419, 94838, 142257, 284514, 331933, 521609, 663866, 995799, 1043218, 1564827, 1991598, 3129654, 3651263, 7302526, 10953789, 21907578]

約数ペア:

[(1, 21907578), (2, 10953789), (3, 7302526), (6, 3651263), (7, 3129654), (11, 1991598), (14, 1564827), (21, 1043218), (22, 995799), (33, 663866), (42, 521609), (66, 331933), (77, 284514), (154, 142257), (231, 94838), (462, 47419)]