21510164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{1109}}^1$

素因数の和:1499

約数の個数: 24

約数和(自身を含む): 40683720

約数和(自身を除く): 19173556

約数列:

[1, 2, 4, 13, 26, 52, 373, 746, 1109, 1492, 2218, 4436, 4849, 9698, 14417, 19396, 28834, 57668, 413657, 827314, 1654628, 5377541, 10755082, 21510164]

約数ペア:

[(1, 21510164), (2, 10755082), (4, 5377541), (13, 1654628), (26, 827314), (52, 413657), (373, 57668), (746, 28834), (1109, 19396), (1492, 14417), (2218, 9698), (4436, 4849)]