21259108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{883}}^1$

素因数の和:1363

約数の個数: 24

約数和(自身を含む): 40197248

約数和(自身を除く): 18938140

約数列:

[1, 2, 4, 13, 26, 52, 463, 883, 926, 1766, 1852, 3532, 6019, 11479, 12038, 22958, 24076, 45916, 408829, 817658, 1635316, 5314777, 10629554, 21259108]

約数ペア:

[(1, 21259108), (2, 10629554), (4, 5314777), (13, 1635316), (26, 817658), (52, 408829), (463, 45916), (883, 24076), (926, 22958), (1766, 12038), (1852, 11479), (3532, 6019)]