21545733

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{28387}}^1$

素因数の和:28424

約数の個数: 16

約数和(自身を含む): 32702976

約数和(自身を除く): 11157243

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 28387, 85161, 312257, 652901, 936771, 1958703, 7181911, 21545733]

約数ペア:

[(1, 21545733), (3, 7181911), (11, 1958703), (23, 936771), (33, 652901), (69, 312257), (253, 85161), (759, 28387)]