21167642240

素因数分解:

$2^7\times 5^1\times {\mathrm{33074441}}^1$

素因数の和:33074460

約数の個数: 32

約数和(自身を含む): 50603896260

約数和(自身を除く): 29436254020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 33074441, 66148882, 132297764, 165372205, 264595528, 330744410, 529191056, 661488820, 1058382112, 1322977640, 2116764224, 2645955280, 4233528448, 5291910560, 10583821120, 21167642240]

約数ペア:

[(1, 21167642240), (2, 10583821120), (4, 5291910560), (5, 4233528448), (8, 2645955280), (10, 2116764224), (16, 1322977640), (20, 1058382112), (32, 661488820), (40, 529191056), (64, 330744410), (80, 264595528), (128, 165372205), (160, 132297764), (320, 66148882), (640, 33074441)]