21276179625

素因数分解:

$3^1\times 5^3\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{1373}}^1$

素因数の和:1496

約数の個数: 96

約数和(自身を含む): 37460472192

約数和(自身を除く): 16184292567

約数列:

[1, 3, 5, 15, 25, 31, 43, 75, 93, 125, 129, 155, 215, 375, 465, 645, 775, 961, 1075, 1333, 1373, 2325, 2883, 3225, 3875, 3999, 4119, 4805, 5375, 6665, 6865, 11625, 14415, 16125, 19995, 20595, 24025, 33325, 34325, 41323, 42563, 59039, 72075, 99975, 102975, 120125, 123969, 127689, 166625, 171625, 177117, 206615, 212815, 295195, 360375, 499875, 514875, 619845, 638445, 885585, 1033075, 1064075, 1319453, 1475975, 1830209, 3099225, 3192225, 3958359, 4427925, 5165375, 5320375, 5490627, 6597265, 7379875, 9151045, 15496125, 15961125, 19791795, 22139625, 27453135, 32986325, 45755225, 56736479, 98958975, 137265675, 164931625, 170209437, 228776125, 283682395, 494794875, 686328375, 851047185, 1418411975, 4255235925, 7092059875, 21276179625]

約数ペア:

[(1, 21276179625), (3, 7092059875), (5, 4255235925), (15, 1418411975), (25, 851047185), (31, 686328375), (43, 494794875), (75, 283682395), (93, 228776125), (125, 170209437), (129, 164931625), (155, 137265675), (215, 98958975), (375, 56736479), (465, 45755225), (645, 32986325), (775, 27453135), (961, 22139625), (1075, 19791795), (1333, 15961125), (1373, 15496125), (2325, 9151045), (2883, 7379875), (3225, 6597265), (3875, 5490627), (3999, 5320375), (4119, 5165375), (4805, 4427925), (5375, 3958359), (6665, 3192225), (6865, 3099225), (11625, 1830209), (14415, 1475975), (16125, 1319453), (19995, 1064075), (20595, 1033075), (24025, 885585), (33325, 638445), (34325, 619845), (41323, 514875), (42563, 499875), (59039, 360375), (72075, 295195), (99975, 212815), (102975, 206615), (120125, 177117), (123969, 171625), (127689, 166625)]