21740433

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 36465408

約数和(自身を除く): 14724975

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 121, 143, 187, 221, 271, 363, 429, 561, 663, 813, 1573, 2057, 2431, 2981, 3523, 4607, 4719, 6171, 7293, 8943, 10569, 13821, 26741, 32791, 38753, 50677, 59891, 80223, 98373, 116259, 152031, 179673, 426283, 557447, 658801, 1278849, 1672341, 1976403, 7246811, 21740433]

約数ペア:

[(1, 21740433), (3, 7246811), (11, 1976403), (13, 1672341), (17, 1278849), (33, 658801), (39, 557447), (51, 426283), (121, 179673), (143, 152031), (187, 116259), (221, 98373), (271, 80223), (363, 59891), (429, 50677), (561, 38753), (663, 32791), (813, 26741), (1573, 13821), (2057, 10569), (2431, 8943), (2981, 7293), (3523, 6171), (4607, 4719)]