21587386

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{1069}}^1$

素因数の和:1533

約数の個数: 16

約数和(自身を含む): 33897600

約数和(自身を除く): 12310214

約数列:

[1, 2, 23, 46, 439, 878, 1069, 2138, 10097, 20194, 24587, 49174, 469291, 938582, 10793693, 21587386]

約数ペア:

[(1, 21587386), (2, 10793693), (23, 938582), (46, 469291), (439, 49174), (878, 24587), (1069, 20194), (2138, 10097)]