21687144

素因数分解:

$2^3\times 3^1\times {\mathrm{313}}^1\times {\mathrm{2887}}^1$

素因数の和:3209

約数の個数: 32

約数和(自身を含む): 54409920

約数和(自身を除く): 32722776

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 313, 626, 939, 1252, 1878, 2504, 2887, 3756, 5774, 7512, 8661, 11548, 17322, 23096, 34644, 69288, 903631, 1807262, 2710893, 3614524, 5421786, 7229048, 10843572, 21687144]

約数ペア:

[(1, 21687144), (2, 10843572), (3, 7229048), (4, 5421786), (6, 3614524), (8, 2710893), (12, 1807262), (24, 903631), (313, 69288), (626, 34644), (939, 23096), (1252, 17322), (1878, 11548), (2504, 8661), (2887, 7512), (3756, 5774)]