21021438

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{85453}}^1$

素因数の和:85499

約数の個数: 16

約数和(自身を含む): 43068816

約数和(自身を除く): 22047378

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 85453, 170906, 256359, 512718, 3503573, 7007146, 10510719, 21021438]

約数ペア:

[(1, 21021438), (2, 10510719), (3, 7007146), (6, 3503573), (41, 512718), (82, 256359), (123, 170906), (246, 85453)]