2021040915

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1897691}}^1$

素因数の和:1897770

約数の個数: 16

約数和(自身を含む): 3279211776

約数和(自身を除く): 1258170861

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 1897691, 5693073, 9488455, 28465365, 134736061, 404208183, 673680305, 2021040915]

約数ペア:

[(1, 2021040915), (3, 673680305), (5, 404208183), (15, 134736061), (71, 28465365), (213, 9488455), (355, 5693073), (1065, 1897691)]