21261842

素因数分解:

$2^1\times 7^1\times {\mathrm{727}}^1\times {\mathrm{2089}}^1$

素因数の和:2825

約数の個数: 16

約数和(自身を含む): 36516480

約数和(自身を除く): 15254638

約数列:

[1, 2, 7, 14, 727, 1454, 2089, 4178, 5089, 10178, 14623, 29246, 1518703, 3037406, 10630921, 21261842]

約数ペア:

[(1, 21261842), (2, 10630921), (7, 3037406), (14, 1518703), (727, 29246), (1454, 14623), (2089, 10178), (4178, 5089)]