21792225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 46219264

約数和(自身を除く): 24427039

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 31, 35, 39, 65, 75, 91, 93, 103, 105, 155, 175, 195, 217, 273, 309, 325, 403, 455, 465, 515, 525, 651, 721, 775, 975, 1085, 1209, 1339, 1365, 1545, 2015, 2163, 2275, 2325, 2575, 2821, 3193, 3255, 3605, 4017, 5425, 6045, 6695, 6825, 7725, 8463, 9373, 9579, 10075, 10815, 14105, 15965, 16275, 18025, 20085, 22351, 28119, 30225, 33475, 41509, 42315, 46865, 47895, 54075, 67053, 70525, 79825, 100425, 111755, 124527, 140595, 207545, 211575, 234325, 239475, 290563, 335265, 558775, 622635, 702975, 871689, 1037725, 1452815, 1676325, 3113175, 4358445, 7264075, 21792225]

約数ペア:

[(1, 21792225), (3, 7264075), (5, 4358445), (7, 3113175), (13, 1676325), (15, 1452815), (21, 1037725), (25, 871689), (31, 702975), (35, 622635), (39, 558775), (65, 335265), (75, 290563), (91, 239475), (93, 234325), (103, 211575), (105, 207545), (155, 140595), (175, 124527), (195, 111755), (217, 100425), (273, 79825), (309, 70525), (325, 67053), (403, 54075), (455, 47895), (465, 46865), (515, 42315), (525, 41509), (651, 33475), (721, 30225), (775, 28119), (975, 22351), (1085, 20085), (1209, 18025), (1339, 16275), (1365, 15965), (1545, 14105), (2015, 10815), (2163, 10075), (2275, 9579), (2325, 9373), (2575, 8463), (2821, 7725), (3193, 6825), (3255, 6695), (3605, 6045), (4017, 5425)]