21167118320

素因数分解:

$2^4\times 5^1\times {\mathrm{43283}}^1\times {\mathrm{6113}}^1$

素因数の和:49409

約数の個数: 40

約数和(自身を含む): 49222737936

約数和(自身を除く): 28055619616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6113, 12226, 24452, 30565, 43283, 48904, 61130, 86566, 97808, 122260, 173132, 216415, 244520, 346264, 432830, 489040, 692528, 865660, 1731320, 3462640, 264588979, 529177958, 1058355916, 1322944895, 2116711832, 2645889790, 4233423664, 5291779580, 10583559160, 21167118320]

約数ペア:

[(1, 21167118320), (2, 10583559160), (4, 5291779580), (5, 4233423664), (8, 2645889790), (10, 2116711832), (16, 1322944895), (20, 1058355916), (40, 529177958), (80, 264588979), (6113, 3462640), (12226, 1731320), (24452, 865660), (30565, 692528), (43283, 489040), (48904, 432830), (61130, 346264), (86566, 244520), (97808, 216415), (122260, 173132)]