21712248

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{7013}}^1$

素因数の和:7068

約数の個数: 48

約数和(自身を含む): 60180120

約数和(自身を除く): 38467872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 774, 1032, 1548, 3096, 7013, 14026, 21039, 28052, 42078, 56104, 63117, 84156, 126234, 168312, 252468, 301559, 504936, 603118, 904677, 1206236, 1809354, 2412472, 2714031, 3618708, 5428062, 7237416, 10856124, 21712248]

約数ペア:

[(1, 21712248), (2, 10856124), (3, 7237416), (4, 5428062), (6, 3618708), (8, 2714031), (9, 2412472), (12, 1809354), (18, 1206236), (24, 904677), (36, 603118), (43, 504936), (72, 301559), (86, 252468), (129, 168312), (172, 126234), (258, 84156), (344, 63117), (387, 56104), (516, 42078), (774, 28052), (1032, 21039), (1548, 14026), (3096, 7013)]