21969376

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4801}}^1$

素因数の和:4835

約数の個数: 48

約数和(自身を含む): 50824368

約数和(自身を除く): 28854992

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4576, 4801, 9602, 19204, 38408, 52811, 62413, 76816, 105622, 124826, 153632, 211244, 249652, 422488, 499304, 686543, 844976, 998608, 1373086, 1689952, 1997216, 2746172, 5492344, 10984688, 21969376]

約数ペア:

[(1, 21969376), (2, 10984688), (4, 5492344), (8, 2746172), (11, 1997216), (13, 1689952), (16, 1373086), (22, 998608), (26, 844976), (32, 686543), (44, 499304), (52, 422488), (88, 249652), (104, 211244), (143, 153632), (176, 124826), (208, 105622), (286, 76816), (352, 62413), (416, 52811), (572, 38408), (1144, 19204), (2288, 9602), (4576, 4801)]