21263850

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{829}}^1$

素因数の和:869

約数の個数: 96

約数和(自身を含む): 61752000

約数和(自身を除く): 40488150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 27, 30, 38, 45, 50, 54, 57, 75, 90, 95, 114, 135, 150, 171, 190, 225, 270, 285, 342, 450, 475, 513, 570, 675, 829, 855, 950, 1026, 1350, 1425, 1658, 1710, 2487, 2565, 2850, 4145, 4275, 4974, 5130, 7461, 8290, 8550, 12435, 12825, 14922, 15751, 20725, 22383, 24870, 25650, 31502, 37305, 41450, 44766, 47253, 62175, 74610, 78755, 94506, 111915, 124350, 141759, 157510, 186525, 223830, 236265, 283518, 373050, 393775, 425277, 472530, 559575, 708795, 787550, 850554, 1119150, 1181325, 1417590, 2126385, 2362650, 3543975, 4252770, 7087950, 10631925, 21263850]

約数ペア:

[(1, 21263850), (2, 10631925), (3, 7087950), (5, 4252770), (6, 3543975), (9, 2362650), (10, 2126385), (15, 1417590), (18, 1181325), (19, 1119150), (25, 850554), (27, 787550), (30, 708795), (38, 559575), (45, 472530), (50, 425277), (54, 393775), (57, 373050), (75, 283518), (90, 236265), (95, 223830), (114, 186525), (135, 157510), (150, 141759), (171, 124350), (190, 111915), (225, 94506), (270, 78755), (285, 74610), (342, 62175), (450, 47253), (475, 44766), (513, 41450), (570, 37305), (675, 31502), (829, 25650), (855, 24870), (950, 22383), (1026, 20725), (1350, 15751), (1425, 14922), (1658, 12825), (1710, 12435), (2487, 8550), (2565, 8290), (2850, 7461), (4145, 5130), (4275, 4974)]