21187950

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1187}}^1$

素因数の和:1226

約数の個数: 96

約数和(自身を含む): 63638784

約数和(自身を除く): 42450834

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 25, 30, 34, 35, 42, 50, 51, 70, 75, 85, 102, 105, 119, 150, 170, 175, 210, 238, 255, 350, 357, 425, 510, 525, 595, 714, 850, 1050, 1187, 1190, 1275, 1785, 2374, 2550, 2975, 3561, 3570, 5935, 5950, 7122, 8309, 8925, 11870, 16618, 17805, 17850, 20179, 24927, 29675, 35610, 40358, 41545, 49854, 59350, 60537, 83090, 89025, 100895, 121074, 124635, 141253, 178050, 201790, 207725, 249270, 282506, 302685, 415450, 423759, 504475, 605370, 623175, 706265, 847518, 1008950, 1246350, 1412530, 1513425, 2118795, 3026850, 3531325, 4237590, 7062650, 10593975, 21187950]

約数ペア:

[(1, 21187950), (2, 10593975), (3, 7062650), (5, 4237590), (6, 3531325), (7, 3026850), (10, 2118795), (14, 1513425), (15, 1412530), (17, 1246350), (21, 1008950), (25, 847518), (30, 706265), (34, 623175), (35, 605370), (42, 504475), (50, 423759), (51, 415450), (70, 302685), (75, 282506), (85, 249270), (102, 207725), (105, 201790), (119, 178050), (150, 141253), (170, 124635), (175, 121074), (210, 100895), (238, 89025), (255, 83090), (350, 60537), (357, 59350), (425, 49854), (510, 41545), (525, 40358), (595, 35610), (714, 29675), (850, 24927), (1050, 20179), (1187, 17850), (1190, 17805), (1275, 16618), (1785, 11870), (2374, 8925), (2550, 8309), (2975, 7122), (3561, 5950), (3570, 5935)]