21552403

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:522

約数の個数: 16

約数和(自身を含む): 23904000

約数和(自身を除く): 2351597

約数列:

[1, 19, 23, 149, 331, 437, 2831, 3427, 6289, 7613, 49319, 65113, 144647, 937061, 1134337, 21552403]

約数ペア:

[(1, 21552403), (19, 1134337), (23, 937061), (149, 144647), (331, 65113), (437, 49319), (2831, 7613), (3427, 6289)]