21480551

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:742

約数の個数: 16

約数和(自身を含む): 23666688

約数和(自身を除く): 2186137

約数列:

[1, 23, 31, 47, 641, 713, 1081, 1457, 14743, 19871, 30127, 33511, 457033, 692921, 933937, 21480551]

約数ペア:

[(1, 21480551), (23, 933937), (31, 692921), (47, 457033), (641, 33511), (713, 30127), (1081, 19871), (1457, 14743)]