21104880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1871}}^1$

素因数の和:1934

約数の個数: 80

約数和(自身を含む): 66852864

約数和(自身を除く): 45747984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 282, 376, 470, 564, 705, 752, 940, 1128, 1410, 1871, 1880, 2256, 2820, 3742, 3760, 5613, 5640, 7484, 9355, 11226, 11280, 14968, 18710, 22452, 28065, 29936, 37420, 44904, 56130, 74840, 87937, 89808, 112260, 149680, 175874, 224520, 263811, 351748, 439685, 449040, 527622, 703496, 879370, 1055244, 1319055, 1406992, 1758740, 2110488, 2638110, 3517480, 4220976, 5276220, 7034960, 10552440, 21104880]

約数ペア:

[(1, 21104880), (2, 10552440), (3, 7034960), (4, 5276220), (5, 4220976), (6, 3517480), (8, 2638110), (10, 2110488), (12, 1758740), (15, 1406992), (16, 1319055), (20, 1055244), (24, 879370), (30, 703496), (40, 527622), (47, 449040), (48, 439685), (60, 351748), (80, 263811), (94, 224520), (120, 175874), (141, 149680), (188, 112260), (235, 89808), (240, 87937), (282, 74840), (376, 56130), (470, 44904), (564, 37420), (705, 29936), (752, 28065), (940, 22452), (1128, 18710), (1410, 14968), (1871, 11280), (1880, 11226), (2256, 9355), (2820, 7484), (3742, 5640), (3760, 5613)]