21700426

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{503}}^1$

素因数の和:606

約数の個数: 32

約数和(自身を含む): 37231488

約数和(自身を除く): 15531062

約数列:

[1, 2, 11, 22, 37, 53, 74, 106, 407, 503, 583, 814, 1006, 1166, 1961, 3922, 5533, 11066, 18611, 21571, 26659, 37222, 43142, 53318, 204721, 293249, 409442, 586498, 986383, 1972766, 10850213, 21700426]

約数ペア:

[(1, 21700426), (2, 10850213), (11, 1972766), (22, 986383), (37, 586498), (53, 409442), (74, 293249), (106, 204721), (407, 53318), (503, 43142), (583, 37222), (814, 26659), (1006, 21571), (1166, 18611), (1961, 11066), (3922, 5533)]