21010050

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 58924800

約数和(自身を除く): 37914750

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 79, 90, 135, 150, 158, 197, 225, 237, 270, 394, 395, 450, 474, 591, 675, 711, 790, 985, 1182, 1185, 1350, 1422, 1773, 1970, 1975, 2133, 2370, 2955, 3546, 3555, 3950, 4266, 4925, 5319, 5910, 5925, 7110, 8865, 9850, 10638, 10665, 11850, 14775, 15563, 17730, 17775, 21330, 26595, 29550, 31126, 35550, 44325, 46689, 53190, 53325, 77815, 88650, 93378, 106650, 132975, 140067, 155630, 233445, 265950, 280134, 389075, 420201, 466890, 700335, 778150, 840402, 1167225, 1400670, 2101005, 2334450, 3501675, 4202010, 7003350, 10505025, 21010050]

約数ペア:

[(1, 21010050), (2, 10505025), (3, 7003350), (5, 4202010), (6, 3501675), (9, 2334450), (10, 2101005), (15, 1400670), (18, 1167225), (25, 840402), (27, 778150), (30, 700335), (45, 466890), (50, 420201), (54, 389075), (75, 280134), (79, 265950), (90, 233445), (135, 155630), (150, 140067), (158, 132975), (197, 106650), (225, 93378), (237, 88650), (270, 77815), (394, 53325), (395, 53190), (450, 46689), (474, 44325), (591, 35550), (675, 31126), (711, 29550), (790, 26595), (985, 21330), (1182, 17775), (1185, 17730), (1350, 15563), (1422, 14775), (1773, 11850), (1970, 10665), (1975, 10638), (2133, 9850), (2370, 8865), (2955, 7110), (3546, 5925), (3555, 5910), (3950, 5319), (4266, 4925)]