21223411

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{563}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 24364800

約数和(自身を除く): 3141389

約数列:

[1, 11, 23, 149, 253, 563, 1639, 3427, 6193, 12949, 37697, 83887, 142439, 922757, 1929401, 21223411]

約数ペア:

[(1, 21223411), (11, 1929401), (23, 922757), (149, 142439), (253, 83887), (563, 37697), (1639, 12949), (3427, 6193)]