21259502

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{14423}}^1$

素因数の和:14503

約数の個数: 16

約数和(自身を含む): 35309952

約数和(自身を除く): 14050450

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 14423, 28846, 158653, 317306, 966341, 1932682, 10629751, 21259502]

約数ペア:

[(1, 21259502), (2, 10629751), (11, 1932682), (22, 966341), (67, 317306), (134, 158653), (737, 28846), (1474, 14423)]