21435400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:335

約数の個数: 96

約数和(自身を含む): 58121280

約数和(自身を除く): 36685880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 61, 70, 100, 122, 140, 175, 200, 244, 251, 280, 305, 350, 427, 488, 502, 610, 700, 854, 1004, 1220, 1255, 1400, 1525, 1708, 1757, 2008, 2135, 2440, 2510, 3050, 3416, 3514, 4270, 5020, 6100, 6275, 7028, 8540, 8785, 10040, 10675, 12200, 12550, 14056, 15311, 17080, 17570, 21350, 25100, 30622, 35140, 42700, 43925, 50200, 61244, 70280, 76555, 85400, 87850, 107177, 122488, 153110, 175700, 214354, 306220, 351400, 382775, 428708, 535885, 612440, 765550, 857416, 1071770, 1531100, 2143540, 2679425, 3062200, 4287080, 5358850, 10717700, 21435400]

約数ペア:

[(1, 21435400), (2, 10717700), (4, 5358850), (5, 4287080), (7, 3062200), (8, 2679425), (10, 2143540), (14, 1531100), (20, 1071770), (25, 857416), (28, 765550), (35, 612440), (40, 535885), (50, 428708), (56, 382775), (61, 351400), (70, 306220), (100, 214354), (122, 175700), (140, 153110), (175, 122488), (200, 107177), (244, 87850), (251, 85400), (280, 76555), (305, 70280), (350, 61244), (427, 50200), (488, 43925), (502, 42700), (610, 35140), (700, 30622), (854, 25100), (1004, 21350), (1220, 17570), (1255, 17080), (1400, 15311), (1525, 14056), (1708, 12550), (1757, 12200), (2008, 10675), (2135, 10040), (2440, 8785), (2510, 8540), (3050, 7028), (3416, 6275), (3514, 6100), (4270, 5020)]