21021266

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{16871}}^1$

素因数の和:16969

約数の個数: 16

約数和(自身を含む): 36443520

約数和(自身を除く): 15422254

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 16871, 33742, 118097, 236194, 1501519, 3003038, 10510633, 21021266]

約数ペア:

[(1, 21021266), (2, 10510633), (7, 3003038), (14, 1501519), (89, 236194), (178, 118097), (623, 33742), (1246, 16871)]