2021123775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2449847}}^1$

素因数の和:2449871

約数の個数: 24

約数和(自身を含む): 3645373824

約数和(自身を除く): 1624250049

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 2449847, 7349541, 12249235, 26948317, 36747705, 61246175, 80844951, 134741585, 183738525, 404224755, 673707925, 2021123775]

約数ペア:

[(1, 2021123775), (3, 673707925), (5, 404224755), (11, 183738525), (15, 134741585), (25, 80844951), (33, 61246175), (55, 36747705), (75, 26948317), (165, 12249235), (275, 7349541), (825, 2449847)]