21525404

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2647}}^1$

素因数の和:2777

約数の個数: 24

約数和(自身を含む): 40037760

約数和(自身を除く): 18512356

約数列:

[1, 2, 4, 19, 38, 76, 107, 214, 428, 2033, 2647, 4066, 5294, 8132, 10588, 50293, 100586, 201172, 283229, 566458, 1132916, 5381351, 10762702, 21525404]

約数ペア:

[(1, 21525404), (2, 10762702), (4, 5381351), (19, 1132916), (38, 566458), (76, 283229), (107, 201172), (214, 100586), (428, 50293), (2033, 10588), (2647, 8132), (4066, 5294)]