21747341

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{4787}}^1$

素因数の和:4864

約数の個数: 16

約数和(自身を含む): 27578880

約数和(自身を除く): 5831539

約数列:

[1, 7, 11, 59, 77, 413, 649, 4543, 4787, 33509, 52657, 282433, 368599, 1977031, 3106763, 21747341]

約数ペア:

[(1, 21747341), (7, 3106763), (11, 1977031), (59, 368599), (77, 282433), (413, 52657), (649, 33509), (4543, 4787)]