21269626

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{11423}}^1$

素因数の和:11458

約数の個数: 24

約数和(自身を含む): 39070080

約数和(自身を除く): 17800454

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 11423, 22846, 79961, 159922, 217037, 434074, 559727, 1119454, 1519259, 3038518, 10634813, 21269626]

約数ペア:

[(1, 21269626), (2, 10634813), (7, 3038518), (14, 1519259), (19, 1119454), (38, 559727), (49, 434074), (98, 217037), (133, 159922), (266, 79961), (931, 22846), (1862, 11423)]