21945473

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{683}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 25214976

約数和(自身を除く): 3269503

約数列:

[1, 11, 23, 127, 253, 683, 1397, 2921, 7513, 15709, 32131, 86741, 172799, 954151, 1995043, 21945473]

約数ペア:

[(1, 21945473), (11, 1995043), (23, 954151), (127, 172799), (253, 86741), (683, 32131), (1397, 15709), (2921, 7513)]