21000391678

素因数分解:

$2^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{3632029}}^1$

素因数の和:3632104

約数の個数: 24

約数和(自身を含む): 37264627800

約数和(自身を除く): 16264236122

約数列:

[1, 2, 7, 14, 49, 59, 98, 118, 413, 826, 2891, 5782, 3632029, 7264058, 25424203, 50848406, 177969421, 214289711, 355938842, 428579422, 1500027977, 3000055954, 10500195839, 21000391678]

約数ペア:

[(1, 21000391678), (2, 10500195839), (7, 3000055954), (14, 1500027977), (49, 428579422), (59, 355938842), (98, 214289711), (118, 177969421), (413, 50848406), (826, 25424203), (2891, 7264058), (5782, 3632029)]