21254784

素因数分解:

$2^7\times 3^1\times {\mathrm{55351}}^1$

素因数の和:55368

約数の個数: 32

約数和(自身を含む): 56459040

約数和(自身を除く): 35204256

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 55351, 110702, 166053, 221404, 332106, 442808, 664212, 885616, 1328424, 1771232, 2656848, 3542464, 5313696, 7084928, 10627392, 21254784]

約数ペア:

[(1, 21254784), (2, 10627392), (3, 7084928), (4, 5313696), (6, 3542464), (8, 2656848), (12, 1771232), (16, 1328424), (24, 885616), (32, 664212), (48, 442808), (64, 332106), (96, 221404), (128, 166053), (192, 110702), (384, 55351)]