21748532

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^2$

素因数の和:260

約数の個数: 36

約数和(自身を含む): 42407148

約数和(自身を除く): 20658616

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 101, 164, 202, 404, 533, 1066, 1313, 2132, 2626, 4141, 5252, 8282, 10201, 16564, 20402, 40804, 53833, 107666, 132613, 215332, 265226, 418241, 530452, 836482, 1672964, 5437133, 10874266, 21748532]

約数ペア:

[(1, 21748532), (2, 10874266), (4, 5437133), (13, 1672964), (26, 836482), (41, 530452), (52, 418241), (82, 265226), (101, 215332), (164, 132613), (202, 107666), (404, 53833), (533, 40804), (1066, 20402), (1313, 16564), (2132, 10201), (2626, 8282), (4141, 5252)]