21095403

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{11287}}^1$

素因数の和:11386

約数の個数: 16

約数和(自身を含む): 32509440

約数和(自身を除く): 11414037

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 11287, 33861, 79009, 237027, 1004543, 3013629, 7031801, 21095403]

約数ペア:

[(1, 21095403), (3, 7031801), (7, 3013629), (21, 1004543), (89, 237027), (267, 79009), (623, 33861), (1869, 11287)]