21579040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19267}}^1$

素因数の和:19289

約数の個数: 48

約数和(自身を含む): 58266432

約数和(自身を除く): 36687392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 19267, 38534, 77068, 96335, 134869, 154136, 192670, 269738, 308272, 385340, 539476, 616544, 674345, 770680, 1078952, 1348690, 1541360, 2157904, 2697380, 3082720, 4315808, 5394760, 10789520, 21579040]

約数ペア:

[(1, 21579040), (2, 10789520), (4, 5394760), (5, 4315808), (7, 3082720), (8, 2697380), (10, 2157904), (14, 1541360), (16, 1348690), (20, 1078952), (28, 770680), (32, 674345), (35, 616544), (40, 539476), (56, 385340), (70, 308272), (80, 269738), (112, 192670), (140, 154136), (160, 134869), (224, 96335), (280, 77068), (560, 38534), (1120, 19267)]