21244088

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{439}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 41817600

約数和(自身を除く): 20573512

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 263, 439, 526, 878, 1052, 1756, 2104, 3512, 6049, 10097, 12098, 20194, 24196, 40388, 48392, 80776, 115457, 230914, 461828, 923656, 2655511, 5311022, 10622044, 21244088]

約数ペア:

[(1, 21244088), (2, 10622044), (4, 5311022), (8, 2655511), (23, 923656), (46, 461828), (92, 230914), (184, 115457), (263, 80776), (439, 48392), (526, 40388), (878, 24196), (1052, 20194), (1756, 12098), (2104, 10097), (3512, 6049)]