21386088

素因数分解:

$2^3\times 3^2\times {\mathrm{317}}^1\times {\mathrm{937}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 58165380

約数和(自身を除く): 36779292

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 317, 634, 937, 951, 1268, 1874, 1902, 2536, 2811, 2853, 3748, 3804, 5622, 5706, 7496, 7608, 8433, 11244, 11412, 16866, 22488, 22824, 33732, 67464, 297029, 594058, 891087, 1188116, 1782174, 2376232, 2673261, 3564348, 5346522, 7128696, 10693044, 21386088]

約数ペア:

[(1, 21386088), (2, 10693044), (3, 7128696), (4, 5346522), (6, 3564348), (8, 2673261), (9, 2376232), (12, 1782174), (18, 1188116), (24, 891087), (36, 594058), (72, 297029), (317, 67464), (634, 33732), (937, 22824), (951, 22488), (1268, 16866), (1874, 11412), (1902, 11244), (2536, 8433), (2811, 7608), (2853, 7496), (3748, 5706), (3804, 5622)]