21290037

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1\times {\mathrm{367}}^1$

素因数の和:748

約数の個数: 16

約数和(自身を含む): 29021952

約数和(自身を除く): 7731915

約数列:

[1, 3, 61, 183, 317, 367, 951, 1101, 19337, 22387, 58011, 67161, 116339, 349017, 7096679, 21290037]

約数ペア:

[(1, 21290037), (3, 7096679), (61, 349017), (183, 116339), (317, 67161), (367, 58011), (951, 22387), (1101, 19337)]