21050442

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1017

約数の個数: 80

約数和(自身を含む): 56802240

約数和(自身を除く): 35751798

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 81, 114, 126, 133, 162, 171, 189, 266, 342, 378, 399, 513, 567, 798, 977, 1026, 1134, 1197, 1539, 1954, 2394, 2931, 3078, 3591, 5862, 6839, 7182, 8793, 10773, 13678, 17586, 18563, 20517, 21546, 26379, 37126, 41034, 52758, 55689, 61551, 79137, 111378, 123102, 129941, 158274, 167067, 184653, 259882, 334134, 369306, 389823, 501201, 553959, 779646, 1002402, 1107918, 1169469, 1503603, 2338938, 3007206, 3508407, 7016814, 10525221, 21050442]

約数ペア:

[(1, 21050442), (2, 10525221), (3, 7016814), (6, 3508407), (7, 3007206), (9, 2338938), (14, 1503603), (18, 1169469), (19, 1107918), (21, 1002402), (27, 779646), (38, 553959), (42, 501201), (54, 389823), (57, 369306), (63, 334134), (81, 259882), (114, 184653), (126, 167067), (133, 158274), (162, 129941), (171, 123102), (189, 111378), (266, 79137), (342, 61551), (378, 55689), (399, 52758), (513, 41034), (567, 37126), (798, 26379), (977, 21546), (1026, 20517), (1134, 18563), (1197, 17586), (1539, 13678), (1954, 10773), (2394, 8793), (2931, 7182), (3078, 6839), (3591, 5862)]