21060265648

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{42460213}}^1$

素因数の和:42460252

約数の個数: 20

約数和(自身を含む): 42120532288

約数和(自身を除く): 21060266640

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 42460213, 84920426, 169840852, 339681704, 679363408, 1316266603, 2632533206, 5265066412, 10530132824, 21060265648]

約数ペア:

[(1, 21060265648), (2, 10530132824), (4, 5265066412), (8, 2632533206), (16, 1316266603), (31, 679363408), (62, 339681704), (124, 169840852), (248, 84920426), (496, 42460213)]