21044552

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{138451}}^1$

素因数の和:138476

約数の個数: 16

約数和(自身を含む): 41535600

約数和(自身を除く): 20491048

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 138451, 276902, 553804, 1107608, 2630569, 5261138, 10522276, 21044552]

約数ペア:

[(1, 21044552), (2, 10522276), (4, 5261138), (8, 2630569), (19, 1107608), (38, 553804), (76, 276902), (152, 138451)]