21995994

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2423}}^1$

素因数の和:2534

約数の個数: 32

約数和(自身を含む): 47122560

約数和(自身を除く): 25126566

約数列:

[1, 2, 3, 6, 17, 34, 51, 89, 102, 178, 267, 534, 1513, 2423, 3026, 4539, 4846, 7269, 9078, 14538, 41191, 82382, 123573, 215647, 247146, 431294, 646941, 1293882, 3665999, 7331998, 10997997, 21995994]

約数ペア:

[(1, 21995994), (2, 10997997), (3, 7331998), (6, 3665999), (17, 1293882), (34, 646941), (51, 431294), (89, 247146), (102, 215647), (178, 123573), (267, 82382), (534, 41191), (1513, 14538), (2423, 9078), (3026, 7269), (4539, 4846)]