21163485

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{201557}}^1$

素因数の和:201572

約数の個数: 16

約数和(自身を含む): 38699136

約数和(自身を除く): 17535651

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 201557, 604671, 1007785, 1410899, 3023355, 4232697, 7054495, 21163485]

約数ペア:

[(1, 21163485), (3, 7054495), (5, 4232697), (7, 3023355), (15, 1410899), (21, 1007785), (35, 604671), (105, 201557)]