21917250

素因数分解:

$2^1\times 3^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:234

約数の個数: 128

約数和(自身を含む): 64696320

約数和(自身を除く): 42779070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 27, 30, 34, 45, 50, 51, 54, 75, 85, 90, 102, 125, 135, 150, 153, 170, 191, 225, 250, 255, 270, 306, 375, 382, 425, 450, 459, 510, 573, 675, 750, 765, 850, 918, 955, 1125, 1146, 1275, 1350, 1530, 1719, 1910, 2125, 2250, 2295, 2550, 2865, 3247, 3375, 3438, 3825, 4250, 4590, 4775, 5157, 5730, 6375, 6494, 6750, 7650, 8595, 9550, 9741, 10314, 11475, 12750, 14325, 16235, 17190, 19125, 19482, 22950, 23875, 25785, 28650, 29223, 32470, 38250, 42975, 47750, 48705, 51570, 57375, 58446, 71625, 81175, 85950, 87669, 97410, 114750, 128925, 143250, 146115, 162350, 175338, 214875, 243525, 257850, 292230, 405875, 429750, 438345, 487050, 644625, 730575, 811750, 876690, 1217625, 1289250, 1461150, 2191725, 2435250, 3652875, 4383450, 7305750, 10958625, 21917250]

約数ペア:

[(1, 21917250), (2, 10958625), (3, 7305750), (5, 4383450), (6, 3652875), (9, 2435250), (10, 2191725), (15, 1461150), (17, 1289250), (18, 1217625), (25, 876690), (27, 811750), (30, 730575), (34, 644625), (45, 487050), (50, 438345), (51, 429750), (54, 405875), (75, 292230), (85, 257850), (90, 243525), (102, 214875), (125, 175338), (135, 162350), (150, 146115), (153, 143250), (170, 128925), (191, 114750), (225, 97410), (250, 87669), (255, 85950), (270, 81175), (306, 71625), (375, 58446), (382, 57375), (425, 51570), (450, 48705), (459, 47750), (510, 42975), (573, 38250), (675, 32470), (750, 29223), (765, 28650), (850, 25785), (918, 23875), (955, 22950), (1125, 19482), (1146, 19125), (1275, 17190), (1350, 16235), (1530, 14325), (1719, 12750), (1910, 11475), (2125, 10314), (2250, 9741), (2295, 9550), (2550, 8595), (2865, 7650), (3247, 6750), (3375, 6494), (3438, 6375), (3825, 5730), (4250, 5157), (4590, 4775)]