21418982

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{1787}}^1$

素因数の和:2263

約数の個数: 16

約数和(自身を含む): 34694352

約数和(自身を除く): 13275370

約数列:

[1, 2, 13, 26, 461, 922, 1787, 3574, 5993, 11986, 23231, 46462, 823807, 1647614, 10709491, 21418982]

約数ペア:

[(1, 21418982), (2, 10709491), (13, 1647614), (26, 823807), (461, 46462), (922, 23231), (1787, 11986), (3574, 5993)]