21098547

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3727}}^1$

素因数の和:3787

約数の個数: 24

約数和(自身を含む): 33149376

約数和(自身を除く): 12050829

約数列:

[1, 3, 9, 17, 37, 51, 111, 153, 333, 629, 1887, 3727, 5661, 11181, 33543, 63359, 137899, 190077, 413697, 570231, 1241091, 2344283, 7032849, 21098547]

約数ペア:

[(1, 21098547), (3, 7032849), (9, 2344283), (17, 1241091), (37, 570231), (51, 413697), (111, 190077), (153, 137899), (333, 63359), (629, 33543), (1887, 11181), (3727, 5661)]