21081258

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6263}}^1$

素因数の和:6299

約数の個数: 48

約数和(自身を含む): 52767936

約数和(自身を除く): 31686678

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 33, 34, 51, 66, 99, 102, 153, 187, 198, 306, 374, 561, 1122, 1683, 3366, 6263, 12526, 18789, 37578, 56367, 68893, 106471, 112734, 137786, 206679, 212942, 319413, 413358, 620037, 638826, 958239, 1171181, 1240074, 1916478, 2342362, 3513543, 7027086, 10540629, 21081258]

約数ペア:

[(1, 21081258), (2, 10540629), (3, 7027086), (6, 3513543), (9, 2342362), (11, 1916478), (17, 1240074), (18, 1171181), (22, 958239), (33, 638826), (34, 620037), (51, 413358), (66, 319413), (99, 212942), (102, 206679), (153, 137786), (187, 112734), (198, 106471), (306, 68893), (374, 56367), (561, 37578), (1122, 18789), (1683, 12526), (3366, 6263)]