21282618

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{506729}}^1$

素因数の和:506741

約数の個数: 16

約数和(自身を含む): 48646080

約数和(自身を除く): 27363462

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 506729, 1013458, 1520187, 3040374, 3547103, 7094206, 10641309, 21282618]

約数ペア:

[(1, 21282618), (2, 10641309), (3, 7094206), (6, 3547103), (7, 3040374), (14, 1520187), (21, 1013458), (42, 506729)]