21273294

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{506507}}^1$

素因数の和:506519

約数の個数: 16

約数和(自身を含む): 48624768

約数和(自身を除く): 27351474

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 506507, 1013014, 1519521, 3039042, 3545549, 7091098, 10636647, 21273294]

約数ペア:

[(1, 21273294), (2, 10636647), (3, 7091098), (6, 3545549), (7, 3039042), (14, 1519521), (21, 1013014), (42, 506507)]