21467545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{1451}}^1$

素因数の和:1736

約数の個数: 16

約数和(自身を含む): 28226880

約数和(自身を除く): 6759335

約数列:

[1, 5, 11, 55, 269, 1345, 1451, 2959, 7255, 14795, 15961, 79805, 390319, 1951595, 4293509, 21467545]

約数ペア:

[(1, 21467545), (5, 4293509), (11, 1951595), (55, 390319), (269, 79805), (1345, 15961), (1451, 14795), (2959, 7255)]