20921318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50051}}^1$

素因数の和:50083

約数の個数: 16

約数和(自身を含む): 36037440

約数和(自身を除く): 15116122

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50051, 100102, 550561, 950969, 1101122, 1901938, 10460659, 20921318]

約数ペア:

[(1, 20921318), (2, 10460659), (11, 1901938), (19, 1101122), (22, 950969), (38, 550561), (209, 100102), (418, 50051)]