21460527

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{907}}^1$

素因数の和:1163

約数の個数: 24

約数和(自身を含む): 33995520

約数和(自身を除く): 12534993

約数列:

[1, 3, 9, 11, 33, 99, 239, 717, 907, 2151, 2629, 2721, 7887, 8163, 9977, 23661, 29931, 89793, 216773, 650319, 1950957, 2384503, 7153509, 21460527]

約数ペア:

[(1, 21460527), (3, 7153509), (9, 2384503), (11, 1950957), (33, 650319), (99, 216773), (239, 89793), (717, 29931), (907, 23661), (2151, 9977), (2629, 8163), (2721, 7887)]