21157626

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{503753}}^1$

素因数の和:503765

約数の個数: 16

約数和(自身を含む): 48360384

約数和(自身を除く): 27202758

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 503753, 1007506, 1511259, 3022518, 3526271, 7052542, 10578813, 21157626]

約数ペア:

[(1, 21157626), (2, 10578813), (3, 7052542), (6, 3526271), (7, 3022518), (14, 1511259), (21, 1007506), (42, 503753)]