21437736

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{20773}}^1$

素因数の和:20825

約数の個数: 32

約数和(自身を含む): 54843360

約数和(自身を除く): 33405624

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 20773, 41546, 62319, 83092, 124638, 166184, 249276, 498552, 893239, 1786478, 2679717, 3572956, 5359434, 7145912, 10718868, 21437736]

約数ペア:

[(1, 21437736), (2, 10718868), (3, 7145912), (4, 5359434), (6, 3572956), (8, 2679717), (12, 1786478), (24, 893239), (43, 498552), (86, 249276), (129, 166184), (172, 124638), (258, 83092), (344, 62319), (516, 41546), (1032, 20773)]