21719294

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{3359}}^1$

素因数の和:3475

約数の個数: 16

約数和(自身を含む): 33747840

約数和(自身を除く): 12028546

約数列:

[1, 2, 53, 61, 106, 122, 3233, 3359, 6466, 6718, 178027, 204899, 356054, 409798, 10859647, 21719294]

約数ペア:

[(1, 21719294), (2, 10859647), (53, 409798), (61, 356054), (106, 204899), (122, 178027), (3233, 6718), (3359, 6466)]