21371884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1571}}^1$

素因数の和:1773

約数の個数: 24

約数和(自身を含む): 39614400

約数和(自身を除く): 18242516

約数列:

[1, 2, 4, 19, 38, 76, 179, 358, 716, 1571, 3142, 3401, 6284, 6802, 13604, 29849, 59698, 119396, 281209, 562418, 1124836, 5342971, 10685942, 21371884]

約数ペア:

[(1, 21371884), (2, 10685942), (4, 5342971), (19, 1124836), (38, 562418), (76, 281209), (179, 119396), (358, 59698), (716, 29849), (1571, 13604), (3142, 6802), (3401, 6284)]