21093185

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1231}}^1$

素因数の和:1408

約数の個数: 16

約数和(自身を含む): 26611200

約数和(自身を除く): 5518015

約数列:

[1, 5, 23, 115, 149, 745, 1231, 3427, 6155, 17135, 28313, 141565, 183419, 917095, 4218637, 21093185]

約数ペア:

[(1, 21093185), (5, 4218637), (23, 917095), (115, 183419), (149, 141565), (745, 28313), (1231, 17135), (3427, 6155)]