21119532

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2441}}^1$

素因数の和:2558

約数の個数: 48

約数和(自身を含む): 56888832

約数和(自身を除く): 35769300

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 103, 206, 309, 412, 618, 721, 1236, 1442, 2163, 2441, 2884, 4326, 4882, 7323, 8652, 9764, 14646, 17087, 29292, 34174, 51261, 68348, 102522, 205044, 251423, 502846, 754269, 1005692, 1508538, 1759961, 3017076, 3519922, 5279883, 7039844, 10559766, 21119532]

約数ペア:

[(1, 21119532), (2, 10559766), (3, 7039844), (4, 5279883), (6, 3519922), (7, 3017076), (12, 1759961), (14, 1508538), (21, 1005692), (28, 754269), (42, 502846), (84, 251423), (103, 205044), (206, 102522), (309, 68348), (412, 51261), (618, 34174), (721, 29292), (1236, 17087), (1442, 14646), (2163, 9764), (2441, 8652), (2884, 7323), (4326, 4882)]