21304656

素因数分解:

$2^4\times 3^2\times {\mathrm{147949}}^1$

素因数の和:147963

約数の個数: 30

約数和(自身を含む): 59623850

約数和(自身を除く): 38319194

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 147949, 295898, 443847, 591796, 887694, 1183592, 1331541, 1775388, 2367184, 2663082, 3550776, 5326164, 7101552, 10652328, 21304656]

約数ペア:

[(1, 21304656), (2, 10652328), (3, 7101552), (4, 5326164), (6, 3550776), (8, 2663082), (9, 2367184), (12, 1775388), (16, 1331541), (18, 1183592), (24, 887694), (36, 591796), (48, 443847), (72, 295898), (144, 147949)]