21190560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:486

約数の個数: 96

約数和(自身を含む): 67459392

約数和(自身を除く): 46268832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 131, 160, 240, 262, 337, 393, 480, 524, 655, 674, 786, 1011, 1048, 1310, 1348, 1572, 1685, 1965, 2022, 2096, 2620, 2696, 3144, 3370, 3930, 4044, 4192, 5055, 5240, 5392, 6288, 6740, 7860, 8088, 10110, 10480, 10784, 12576, 13480, 15720, 16176, 20220, 20960, 26960, 31440, 32352, 40440, 44147, 53920, 62880, 80880, 88294, 132441, 161760, 176588, 220735, 264882, 353176, 441470, 529764, 662205, 706352, 882940, 1059528, 1324410, 1412704, 1765880, 2119056, 2648820, 3531760, 4238112, 5297640, 7063520, 10595280, 21190560]

約数ペア:

[(1, 21190560), (2, 10595280), (3, 7063520), (4, 5297640), (5, 4238112), (6, 3531760), (8, 2648820), (10, 2119056), (12, 1765880), (15, 1412704), (16, 1324410), (20, 1059528), (24, 882940), (30, 706352), (32, 662205), (40, 529764), (48, 441470), (60, 353176), (80, 264882), (96, 220735), (120, 176588), (131, 161760), (160, 132441), (240, 88294), (262, 80880), (337, 62880), (393, 53920), (480, 44147), (524, 40440), (655, 32352), (674, 31440), (786, 26960), (1011, 20960), (1048, 20220), (1310, 16176), (1348, 15720), (1572, 13480), (1685, 12576), (1965, 10784), (2022, 10480), (2096, 10110), (2620, 8088), (2696, 7860), (3144, 6740), (3370, 6288), (3930, 5392), (4044, 5240), (4192, 5055)]