21847980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4729}}^1$

素因数の和:4759

約数の個数: 96

約数和(自身を含む): 76285440

約数和(自身を除く): 54437460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4620, 4729, 9458, 14187, 18916, 23645, 28374, 33103, 47290, 52019, 56748, 66206, 70935, 94580, 99309, 104038, 132412, 141870, 156057, 165515, 198618, 208076, 260095, 283740, 312114, 331030, 364133, 397236, 496545, 520190, 624228, 662060, 728266, 780285, 993090, 1040380, 1092399, 1456532, 1560570, 1820665, 1986180, 2184798, 3121140, 3641330, 4369596, 5461995, 7282660, 10923990, 21847980]

約数ペア:

[(1, 21847980), (2, 10923990), (3, 7282660), (4, 5461995), (5, 4369596), (6, 3641330), (7, 3121140), (10, 2184798), (11, 1986180), (12, 1820665), (14, 1560570), (15, 1456532), (20, 1092399), (21, 1040380), (22, 993090), (28, 780285), (30, 728266), (33, 662060), (35, 624228), (42, 520190), (44, 496545), (55, 397236), (60, 364133), (66, 331030), (70, 312114), (77, 283740), (84, 260095), (105, 208076), (110, 198618), (132, 165515), (140, 156057), (154, 141870), (165, 132412), (210, 104038), (220, 99309), (231, 94580), (308, 70935), (330, 66206), (385, 56748), (420, 52019), (462, 47290), (660, 33103), (770, 28374), (924, 23645), (1155, 18916), (1540, 14187), (2310, 9458), (4620, 4729)]