21757392

素因数分解:

$2^4\times 3^2\times {\mathrm{139}}^1\times {\mathrm{1087}}^1$

素因数の和:1240

約数の個数: 60

約数和(自身を含む): 61384960

約数和(自身を除く): 39627568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 139, 144, 278, 417, 556, 834, 1087, 1112, 1251, 1668, 2174, 2224, 2502, 3261, 3336, 4348, 5004, 6522, 6672, 8696, 9783, 10008, 13044, 17392, 19566, 20016, 26088, 39132, 52176, 78264, 151093, 156528, 302186, 453279, 604372, 906558, 1208744, 1359837, 1813116, 2417488, 2719674, 3626232, 5439348, 7252464, 10878696, 21757392]

約数ペア:

[(1, 21757392), (2, 10878696), (3, 7252464), (4, 5439348), (6, 3626232), (8, 2719674), (9, 2417488), (12, 1813116), (16, 1359837), (18, 1208744), (24, 906558), (36, 604372), (48, 453279), (72, 302186), (139, 156528), (144, 151093), (278, 78264), (417, 52176), (556, 39132), (834, 26088), (1087, 20016), (1112, 19566), (1251, 17392), (1668, 13044), (2174, 10008), (2224, 9783), (2502, 8696), (3261, 6672), (3336, 6522), (4348, 5004)]