21525112

素因数分解:

$2^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1277}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 48078360

約数和(自身を除く): 26553248

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 49, 56, 86, 98, 172, 196, 301, 344, 392, 602, 1204, 1277, 2107, 2408, 2554, 4214, 5108, 8428, 8939, 10216, 16856, 17878, 35756, 54911, 62573, 71512, 109822, 125146, 219644, 250292, 384377, 439288, 500584, 768754, 1537508, 2690639, 3075016, 5381278, 10762556, 21525112]

約数ペア:

[(1, 21525112), (2, 10762556), (4, 5381278), (7, 3075016), (8, 2690639), (14, 1537508), (28, 768754), (43, 500584), (49, 439288), (56, 384377), (86, 250292), (98, 219644), (172, 125146), (196, 109822), (301, 71512), (344, 62573), (392, 54911), (602, 35756), (1204, 17878), (1277, 16856), (2107, 10216), (2408, 8939), (2554, 8428), (4214, 5108)]