21508758

素因数分解:

$2^1\times 3^2\times {\mathrm{101}}^1\times {\mathrm{11831}}^1$

素因数の和:11940

約数の個数: 24

約数和(自身を含む): 47067696

約数和(自身を除く): 25558938

約数列:

[1, 2, 3, 6, 9, 18, 101, 202, 303, 606, 909, 1818, 11831, 23662, 35493, 70986, 106479, 212958, 1194931, 2389862, 3584793, 7169586, 10754379, 21508758]

約数ペア:

[(1, 21508758), (2, 10754379), (3, 7169586), (6, 3584793), (9, 2389862), (18, 1194931), (101, 212958), (202, 106479), (303, 70986), (606, 35493), (909, 23662), (1818, 11831)]