21184108

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 43352064

約数和(自身を除く): 22167956

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 127, 187, 223, 254, 374, 446, 508, 748, 892, 1397, 2159, 2453, 2794, 3791, 4318, 4906, 5588, 7582, 8636, 9812, 15164, 23749, 28321, 41701, 47498, 56642, 83402, 94996, 113284, 166804, 311531, 481457, 623062, 962914, 1246124, 1925828, 5296027, 10592054, 21184108]

約数ペア:

[(1, 21184108), (2, 10592054), (4, 5296027), (11, 1925828), (17, 1246124), (22, 962914), (34, 623062), (44, 481457), (68, 311531), (127, 166804), (187, 113284), (223, 94996), (254, 83402), (374, 56642), (446, 47498), (508, 41701), (748, 28321), (892, 23749), (1397, 15164), (2159, 9812), (2453, 8636), (2794, 7582), (3791, 5588), (4318, 4906)]