21045108

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{5113}}^1$

素因数の和:5141

約数の個数: 48

約数和(自身を含む): 57276800

約数和(自身を除く): 36231692

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 5113, 10226, 15339, 20452, 30678, 35791, 61356, 71582, 107373, 143164, 214746, 250537, 429492, 501074, 751611, 1002148, 1503222, 1753759, 3006444, 3507518, 5261277, 7015036, 10522554, 21045108]

約数ペア:

[(1, 21045108), (2, 10522554), (3, 7015036), (4, 5261277), (6, 3507518), (7, 3006444), (12, 1753759), (14, 1503222), (21, 1002148), (28, 751611), (42, 501074), (49, 429492), (84, 250537), (98, 214746), (147, 143164), (196, 107373), (294, 71582), (343, 61356), (588, 35791), (686, 30678), (1029, 20452), (1372, 15339), (2058, 10226), (4116, 5113)]