21737274

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6481}}^1$

素因数の和:6542

約数の個数: 32

約数和(自身を含む): 47914944

約数和(自身を除く): 26177670

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 6481, 12962, 19443, 38886, 84253, 168506, 252759, 278683, 505518, 557366, 836049, 1672098, 3622879, 7245758, 10868637, 21737274]

約数ペア:

[(1, 21737274), (2, 10868637), (3, 7245758), (6, 3622879), (13, 1672098), (26, 836049), (39, 557366), (43, 505518), (78, 278683), (86, 252759), (129, 168506), (258, 84253), (559, 38886), (1118, 19443), (1677, 12962), (3354, 6481)]