21157000

素因数分解:

$2^3\times 5^3\times {\mathrm{21157}}^1$

素因数の和:21178

約数の個数: 32

約数和(自身を含む): 49509720

約数和(自身を除く): 28352720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 21157, 42314, 84628, 105785, 169256, 211570, 423140, 528925, 846280, 1057850, 2115700, 2644625, 4231400, 5289250, 10578500, 21157000]

約数ペア:

[(1, 21157000), (2, 10578500), (4, 5289250), (5, 4231400), (8, 2644625), (10, 2115700), (20, 1057850), (25, 846280), (40, 528925), (50, 423140), (100, 211570), (125, 169256), (200, 105785), (250, 84628), (500, 42314), (1000, 21157)]