21839581

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:428

約数の個数: 16

約数和(自身を含む): 23846400

約数和(自身を除く): 2006819

約数列:

[1, 23, 29, 137, 239, 667, 3151, 3973, 5497, 6931, 32743, 91379, 159413, 753089, 949547, 21839581]

約数ペア:

[(1, 21839581), (23, 949547), (29, 753089), (137, 159413), (239, 91379), (667, 32743), (3151, 6931), (3973, 5497)]