21904554

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{521537}}^1$

素因数の和:521549

約数の個数: 16

約数和(自身を含む): 50067648

約数和(自身を除く): 28163094

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 521537, 1043074, 1564611, 3129222, 3650759, 7301518, 10952277, 21904554]

約数ペア:

[(1, 21904554), (2, 10952277), (3, 7301518), (6, 3650759), (7, 3129222), (14, 1564611), (21, 1043074), (42, 521537)]