21233272

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{156127}}^1$

素因数の和:156150

約数の個数: 16

約数和(自身を含む): 42154560

約数和(自身を除く): 20921288

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 156127, 312254, 624508, 1249016, 2654159, 5308318, 10616636, 21233272]

約数ペア:

[(1, 21233272), (2, 10616636), (4, 5308318), (8, 2654159), (17, 1249016), (34, 624508), (68, 312254), (136, 156127)]