21169488

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{25943}}^1$

素因数の和:25971

約数の個数: 40

約数和(自身を含む): 57907008

約数和(自身を除く): 36737520

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 25943, 51886, 77829, 103772, 155658, 207544, 311316, 415088, 441031, 622632, 882062, 1245264, 1323093, 1764124, 2646186, 3528248, 5292372, 7056496, 10584744, 21169488]

約数ペア:

[(1, 21169488), (2, 10584744), (3, 7056496), (4, 5292372), (6, 3528248), (8, 2646186), (12, 1764124), (16, 1323093), (17, 1245264), (24, 882062), (34, 622632), (48, 441031), (51, 415088), (68, 311316), (102, 207544), (136, 155658), (204, 103772), (272, 77829), (408, 51886), (816, 25943)]