21942396

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{1777}}^1$

素因数の和:1808

約数の個数: 72

約数和(自身を含む): 64719200

約数和(自身を除く): 42776804

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 686, 882, 1029, 1372, 1764, 1777, 2058, 3087, 3554, 4116, 5331, 6174, 7108, 10662, 12348, 12439, 15993, 21324, 24878, 31986, 37317, 49756, 63972, 74634, 87073, 111951, 149268, 174146, 223902, 261219, 348292, 447804, 522438, 609511, 783657, 1044876, 1219022, 1567314, 1828533, 2438044, 3134628, 3657066, 5485599, 7314132, 10971198, 21942396]

約数ペア:

[(1, 21942396), (2, 10971198), (3, 7314132), (4, 5485599), (6, 3657066), (7, 3134628), (9, 2438044), (12, 1828533), (14, 1567314), (18, 1219022), (21, 1044876), (28, 783657), (36, 609511), (42, 522438), (49, 447804), (63, 348292), (84, 261219), (98, 223902), (126, 174146), (147, 149268), (196, 111951), (252, 87073), (294, 74634), (343, 63972), (441, 49756), (588, 37317), (686, 31986), (882, 24878), (1029, 21324), (1372, 15993), (1764, 12439), (1777, 12348), (2058, 10662), (3087, 7108), (3554, 6174), (4116, 5331)]