21483889

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{991}}^1$

素因数の和:1180

約数の個数: 16

約数和(自身を含む): 26030080

約数和(自身を除く): 4546191

約数列:

[1, 7, 19, 133, 163, 991, 1141, 3097, 6937, 18829, 21679, 131803, 161533, 1130731, 3069127, 21483889]

約数ペア:

[(1, 21483889), (7, 3069127), (19, 1130731), (133, 161533), (163, 131803), (991, 21679), (1141, 18829), (3097, 6937)]