21861229

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1321}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 25170880

約数和(自身を除く): 3309651

約数列:

[1, 13, 19, 67, 247, 871, 1273, 1321, 16549, 17173, 25099, 88507, 326287, 1150591, 1681633, 21861229]

約数ペア:

[(1, 21861229), (13, 1681633), (19, 1150591), (67, 326287), (247, 88507), (871, 25099), (1273, 17173), (1321, 16549)]