21731100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{4261}}^1$

素因数の和:4295

約数の個数: 72

約数和(自身を含む): 66589488

約数和(自身を除く): 44858388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 255, 300, 340, 425, 510, 850, 1020, 1275, 1700, 2550, 4261, 5100, 8522, 12783, 17044, 21305, 25566, 42610, 51132, 63915, 72437, 85220, 106525, 127830, 144874, 213050, 217311, 255660, 289748, 319575, 362185, 426100, 434622, 639150, 724370, 869244, 1086555, 1278300, 1448740, 1810925, 2173110, 3621850, 4346220, 5432775, 7243700, 10865550, 21731100]

約数ペア:

[(1, 21731100), (2, 10865550), (3, 7243700), (4, 5432775), (5, 4346220), (6, 3621850), (10, 2173110), (12, 1810925), (15, 1448740), (17, 1278300), (20, 1086555), (25, 869244), (30, 724370), (34, 639150), (50, 434622), (51, 426100), (60, 362185), (68, 319575), (75, 289748), (85, 255660), (100, 217311), (102, 213050), (150, 144874), (170, 127830), (204, 106525), (255, 85220), (300, 72437), (340, 63915), (425, 51132), (510, 42610), (850, 25566), (1020, 21305), (1275, 17044), (1700, 12783), (2550, 8522), (4261, 5100)]