21862308

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{140143}}^1$

素因数の和:140163

約数の個数: 24

約数和(自身を含む): 54936448

約数和(自身を除く): 33074140

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 140143, 280286, 420429, 560572, 840858, 1681716, 1821859, 3643718, 5465577, 7287436, 10931154, 21862308]

約数ペア:

[(1, 21862308), (2, 10931154), (3, 7287436), (4, 5465577), (6, 3643718), (12, 1821859), (13, 1681716), (26, 840858), (39, 560572), (52, 420429), (78, 280286), (156, 140143)]