21444956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1427}}^1$

素因数の和:1478

約数の個数: 36

約数和(自身を含む): 42962808

約数和(自身を除く): 21517852

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 289, 442, 578, 884, 1156, 1427, 2854, 3757, 5708, 7514, 15028, 18551, 24259, 37102, 48518, 74204, 97036, 315367, 412403, 630734, 824806, 1261468, 1649612, 5361239, 10722478, 21444956]

約数ペア:

[(1, 21444956), (2, 10722478), (4, 5361239), (13, 1649612), (17, 1261468), (26, 824806), (34, 630734), (52, 412403), (68, 315367), (221, 97036), (289, 74204), (442, 48518), (578, 37102), (884, 24259), (1156, 18551), (1427, 15028), (2854, 7514), (3757, 5708)]