21758280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5849}}^1$

素因数の和:5894

約数の個数: 64

約数和(自身を含む): 67392000

約数和(自身を除く): 45633720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5849, 11698, 17547, 23396, 29245, 35094, 46792, 58490, 70188, 87735, 116980, 140376, 175470, 181319, 233960, 350940, 362638, 543957, 701880, 725276, 906595, 1087914, 1450552, 1813190, 2175828, 2719785, 3626380, 4351656, 5439570, 7252760, 10879140, 21758280]

約数ペア:

[(1, 21758280), (2, 10879140), (3, 7252760), (4, 5439570), (5, 4351656), (6, 3626380), (8, 2719785), (10, 2175828), (12, 1813190), (15, 1450552), (20, 1087914), (24, 906595), (30, 725276), (31, 701880), (40, 543957), (60, 362638), (62, 350940), (93, 233960), (120, 181319), (124, 175470), (155, 140376), (186, 116980), (248, 87735), (310, 70188), (372, 58490), (465, 46792), (620, 35094), (744, 29245), (930, 23396), (1240, 17547), (1860, 11698), (3720, 5849)]