21745080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8629}}^1$

素因数の和:8653

約数の個数: 96

約数和(自身を含む): 80776800

約数和(自身を除く): 59031720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8629, 17258, 25887, 34516, 43145, 51774, 60403, 69032, 77661, 86290, 103548, 120806, 129435, 155322, 172580, 181209, 207096, 241612, 258870, 302015, 310644, 345160, 362418, 388305, 483224, 517740, 543627, 604030, 621288, 724836, 776610, 906045, 1035480, 1087254, 1208060, 1449672, 1553220, 1812090, 2174508, 2416120, 2718135, 3106440, 3624180, 4349016, 5436270, 7248360, 10872540, 21745080]

約数ペア:

[(1, 21745080), (2, 10872540), (3, 7248360), (4, 5436270), (5, 4349016), (6, 3624180), (7, 3106440), (8, 2718135), (9, 2416120), (10, 2174508), (12, 1812090), (14, 1553220), (15, 1449672), (18, 1208060), (20, 1087254), (21, 1035480), (24, 906045), (28, 776610), (30, 724836), (35, 621288), (36, 604030), (40, 543627), (42, 517740), (45, 483224), (56, 388305), (60, 362418), (63, 345160), (70, 310644), (72, 302015), (84, 258870), (90, 241612), (105, 207096), (120, 181209), (126, 172580), (140, 155322), (168, 129435), (180, 120806), (210, 103548), (252, 86290), (280, 77661), (315, 69032), (360, 60403), (420, 51774), (504, 43145), (630, 34516), (840, 25887), (1260, 17258), (2520, 8629)]