21235558

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{9257}}^1$

素因数の和:9327

約数の個数: 16

約数和(自身を含む): 33773184

約数和(自身を除く): 12537626

約数列:

[1, 2, 31, 37, 62, 74, 1147, 2294, 9257, 18514, 286967, 342509, 573934, 685018, 10617779, 21235558]

約数ペア:

[(1, 21235558), (2, 10617779), (31, 685018), (37, 573934), (62, 342509), (74, 286967), (1147, 18514), (2294, 9257)]