21292236

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4447}}^1$

素因数の和:4483

約数の個数: 72

約数和(自身を含む): 64762880

約数和(自身を除く): 43470644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4447, 4788, 8894, 13341, 17788, 26682, 31129, 40023, 53364, 62258, 80046, 84493, 93387, 124516, 160092, 168986, 186774, 253479, 280161, 337972, 373548, 506958, 560322, 591451, 760437, 1013916, 1120644, 1182902, 1520874, 1774353, 2365804, 3041748, 3548706, 5323059, 7097412, 10646118, 21292236]

約数ペア:

[(1, 21292236), (2, 10646118), (3, 7097412), (4, 5323059), (6, 3548706), (7, 3041748), (9, 2365804), (12, 1774353), (14, 1520874), (18, 1182902), (19, 1120644), (21, 1013916), (28, 760437), (36, 591451), (38, 560322), (42, 506958), (57, 373548), (63, 337972), (76, 280161), (84, 253479), (114, 186774), (126, 168986), (133, 160092), (171, 124516), (228, 93387), (252, 84493), (266, 80046), (342, 62258), (399, 53364), (532, 40023), (684, 31129), (798, 26682), (1197, 17788), (1596, 13341), (2394, 8894), (4447, 4788)]