21736338

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{278671}}^1$

素因数の和:278689

約数の個数: 16

約数和(自身を含む): 46816896

約数和(自身を除く): 25080558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 278671, 557342, 836013, 1672026, 3622723, 7245446, 10868169, 21736338]

約数ペア:

[(1, 21736338), (2, 10868169), (3, 7245446), (6, 3622723), (13, 1672026), (26, 836013), (39, 557342), (78, 278671)]