21864955

素因数分解:

$5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{4919}}^1$

素因数の和:5058

約数の個数: 16

約数和(自身を含む): 30228480

約数和(自身を除く): 8363525

約数列:

[1, 5, 7, 35, 127, 635, 889, 4445, 4919, 24595, 34433, 172165, 624713, 3123565, 4372991, 21864955]

約数ペア:

[(1, 21864955), (5, 4372991), (7, 3123565), (35, 624713), (127, 172165), (635, 34433), (889, 24595), (4445, 4919)]