21089580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8573}}^1$

素因数の和:8626

約数の個数: 48

約数和(自身を含む): 60498144

約数和(自身を除く): 39408564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8573, 17146, 25719, 34292, 42865, 51438, 85730, 102876, 128595, 171460, 257190, 351493, 514380, 702986, 1054479, 1405972, 1757465, 2108958, 3514930, 4217916, 5272395, 7029860, 10544790, 21089580]

約数ペア:

[(1, 21089580), (2, 10544790), (3, 7029860), (4, 5272395), (5, 4217916), (6, 3514930), (10, 2108958), (12, 1757465), (15, 1405972), (20, 1054479), (30, 702986), (41, 514380), (60, 351493), (82, 257190), (123, 171460), (164, 128595), (205, 102876), (246, 85730), (410, 51438), (492, 42865), (615, 34292), (820, 25719), (1230, 17146), (2460, 8573)]