21143118

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{439}}^1$

素因数の和:816

約数の個数: 32

約数和(自身を含む): 44352000

約数和(自身を除く): 23208882

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 349, 439, 698, 878, 1047, 1317, 2094, 2634, 8027, 10097, 16054, 20194, 24081, 30291, 48162, 60582, 153211, 306422, 459633, 919266, 3523853, 7047706, 10571559, 21143118]

約数ペア:

[(1, 21143118), (2, 10571559), (3, 7047706), (6, 3523853), (23, 919266), (46, 459633), (69, 306422), (138, 153211), (349, 60582), (439, 48162), (698, 30291), (878, 24081), (1047, 20194), (1317, 16054), (2094, 10097), (2634, 8027)]