21694244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:165

約数の個数: 96

約数和(自身を含む): 49787136

約数和(自身を除く): 28092892

約数列:

[1, 2, 4, 11, 13, 17, 22, 23, 26, 34, 44, 46, 52, 68, 92, 97, 143, 187, 194, 221, 253, 286, 299, 374, 388, 391, 442, 506, 572, 598, 748, 782, 884, 1012, 1067, 1196, 1261, 1564, 1649, 2134, 2231, 2431, 2522, 3289, 3298, 4268, 4301, 4462, 4862, 5044, 5083, 6578, 6596, 8602, 8924, 9724, 10166, 13156, 13871, 17204, 18139, 20332, 21437, 24541, 27742, 29003, 36278, 37927, 42874, 49082, 55484, 55913, 58006, 72556, 75854, 85748, 98164, 111826, 116012, 151708, 223652, 235807, 319033, 417197, 471614, 493051, 638066, 834394, 943228, 986102, 1276132, 1668788, 1972204, 5423561, 10847122, 21694244]

約数ペア:

[(1, 21694244), (2, 10847122), (4, 5423561), (11, 1972204), (13, 1668788), (17, 1276132), (22, 986102), (23, 943228), (26, 834394), (34, 638066), (44, 493051), (46, 471614), (52, 417197), (68, 319033), (92, 235807), (97, 223652), (143, 151708), (187, 116012), (194, 111826), (221, 98164), (253, 85748), (286, 75854), (299, 72556), (374, 58006), (388, 55913), (391, 55484), (442, 49082), (506, 42874), (572, 37927), (598, 36278), (748, 29003), (782, 27742), (884, 24541), (1012, 21437), (1067, 20332), (1196, 18139), (1261, 17204), (1564, 13871), (1649, 13156), (2134, 10166), (2231, 9724), (2431, 8924), (2522, 8602), (3289, 6596), (3298, 6578), (4268, 5083), (4301, 5044), (4462, 4862)]