21352280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23209}}^1$

素因数の和:23243

約数の個数: 32

約数和(自身を含む): 50133600

約数和(自身を除く): 28781320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 23209, 46418, 92836, 116045, 185672, 232090, 464180, 533807, 928360, 1067614, 2135228, 2669035, 4270456, 5338070, 10676140, 21352280]

約数ペア:

[(1, 21352280), (2, 10676140), (4, 5338070), (5, 4270456), (8, 2669035), (10, 2135228), (20, 1067614), (23, 928360), (40, 533807), (46, 464180), (92, 232090), (115, 185672), (184, 116045), (230, 92836), (460, 46418), (920, 23209)]