21850814

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{2689}}^1$

素因数の和:2947

約数の個数: 16

約数和(自身を含む): 34862400

約数和(自身を除く): 13011586

約数列:

[1, 2, 17, 34, 239, 478, 2689, 4063, 5378, 8126, 45713, 91426, 642671, 1285342, 10925407, 21850814]

約数ペア:

[(1, 21850814), (2, 10925407), (17, 1285342), (34, 642671), (239, 91426), (478, 45713), (2689, 8126), (4063, 5378)]