21811636

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3079}}^1$

素因数の和:3124

約数の個数: 48

約数和(自身を含む): 49674240

約数和(自身を除く): 27862604

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 644, 1012, 1771, 3079, 3542, 6158, 7084, 12316, 21553, 33869, 43106, 67738, 70817, 86212, 135476, 141634, 237083, 283268, 474166, 495719, 778987, 948332, 991438, 1557974, 1982876, 3115948, 5452909, 10905818, 21811636]

約数ペア:

[(1, 21811636), (2, 10905818), (4, 5452909), (7, 3115948), (11, 1982876), (14, 1557974), (22, 991438), (23, 948332), (28, 778987), (44, 495719), (46, 474166), (77, 283268), (92, 237083), (154, 141634), (161, 135476), (253, 86212), (308, 70817), (322, 67738), (506, 43106), (644, 33869), (1012, 21553), (1771, 12316), (3079, 7084), (3542, 6158)]