21728744

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{439}}^1$

素因数の和:737

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 21039256

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 269, 439, 538, 878, 1076, 1756, 2152, 3512, 6187, 10097, 12374, 20194, 24748, 40388, 49496, 80776, 118091, 236182, 472364, 944728, 2716093, 5432186, 10864372, 21728744]

約数ペア:

[(1, 21728744), (2, 10864372), (4, 5432186), (8, 2716093), (23, 944728), (46, 472364), (92, 236182), (184, 118091), (269, 80776), (439, 49496), (538, 40388), (878, 24748), (1076, 20194), (1756, 12374), (2152, 10097), (3512, 6187)]