21968046

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:186

約数の個数: 72

約数和(自身を含む): 52298064

約数和(自身を除く): 30330018

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 41, 51, 82, 102, 103, 123, 153, 206, 246, 289, 306, 309, 369, 578, 618, 697, 738, 867, 927, 1394, 1734, 1751, 1854, 2091, 2601, 3502, 4182, 4223, 5202, 5253, 6273, 8446, 10506, 11849, 12546, 12669, 15759, 23698, 25338, 29767, 31518, 35547, 38007, 59534, 71094, 71791, 76014, 89301, 106641, 143582, 178602, 213282, 215373, 267903, 430746, 535806, 646119, 1220447, 1292238, 2440894, 3661341, 7322682, 10984023, 21968046]

約数ペア:

[(1, 21968046), (2, 10984023), (3, 7322682), (6, 3661341), (9, 2440894), (17, 1292238), (18, 1220447), (34, 646119), (41, 535806), (51, 430746), (82, 267903), (102, 215373), (103, 213282), (123, 178602), (153, 143582), (206, 106641), (246, 89301), (289, 76014), (306, 71791), (309, 71094), (369, 59534), (578, 38007), (618, 35547), (697, 31518), (738, 29767), (867, 25338), (927, 23698), (1394, 15759), (1734, 12669), (1751, 12546), (1854, 11849), (2091, 10506), (2601, 8446), (3502, 6273), (4182, 5253), (4223, 5202)]