21896258

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{569}}^1$

素因数の和:913

約数の個数: 16

約数和(自身を含む): 33488640

約数和(自身を除く): 11592382

約数列:

[1, 2, 71, 142, 271, 542, 569, 1138, 19241, 38482, 40399, 80798, 154199, 308398, 10948129, 21896258]

約数ペア:

[(1, 21896258), (2, 10948129), (71, 308398), (142, 154199), (271, 80798), (542, 40399), (569, 38482), (1138, 19241)]