21332776

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{431}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 41990400

約数和(自身を除く): 20657624

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 269, 431, 538, 862, 1076, 1724, 2152, 3448, 6187, 9913, 12374, 19826, 24748, 39652, 49496, 79304, 115939, 231878, 463756, 927512, 2666597, 5333194, 10666388, 21332776]

約数ペア:

[(1, 21332776), (2, 10666388), (4, 5333194), (8, 2666597), (23, 927512), (46, 463756), (92, 231878), (184, 115939), (269, 79304), (431, 49496), (538, 39652), (862, 24748), (1076, 19826), (1724, 12374), (2152, 9913), (3448, 6187)]