21949268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^3\times {\mathrm{41}}^1$

素因数の和:125

約数の個数: 48

約数和(自身を含む): 44876160

約数和(自身を除く): 22926892

約数列:

[1, 2, 4, 11, 22, 23, 41, 44, 46, 82, 92, 164, 253, 451, 506, 529, 902, 943, 1012, 1058, 1804, 1886, 2116, 3772, 5819, 10373, 11638, 12167, 20746, 21689, 23276, 24334, 41492, 43378, 48668, 86756, 133837, 238579, 267674, 477158, 498847, 535348, 954316, 997694, 1995388, 5487317, 10974634, 21949268]

約数ペア:

[(1, 21949268), (2, 10974634), (4, 5487317), (11, 1995388), (22, 997694), (23, 954316), (41, 535348), (44, 498847), (46, 477158), (82, 267674), (92, 238579), (164, 133837), (253, 86756), (451, 48668), (506, 43378), (529, 41492), (902, 24334), (943, 23276), (1012, 21689), (1058, 20746), (1804, 12167), (1886, 11638), (2116, 10373), (3772, 5819)]