21098607

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{4159}}^1$

素因数の和:4270

約数の個数: 16

約数和(自身を含む): 29952000

約数和(自身を除く): 8853393

約数列:

[1, 3, 19, 57, 89, 267, 1691, 4159, 5073, 12477, 79021, 237063, 370151, 1110453, 7032869, 21098607]

約数ペア:

[(1, 21098607), (3, 7032869), (19, 1110453), (57, 370151), (89, 237063), (267, 79021), (1691, 12477), (4159, 5073)]