21599480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{77141}}^1$

素因数の和:77159

約数の個数: 32

約数和(自身を含む): 55542240

約数和(自身を除く): 33942760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 77141, 154282, 308564, 385705, 539987, 617128, 771410, 1079974, 1542820, 2159948, 2699935, 3085640, 4319896, 5399870, 10799740, 21599480]

約数ペア:

[(1, 21599480), (2, 10799740), (4, 5399870), (5, 4319896), (7, 3085640), (8, 2699935), (10, 2159948), (14, 1542820), (20, 1079974), (28, 771410), (35, 617128), (40, 539987), (56, 385705), (70, 308564), (140, 154282), (280, 77141)]