21211502

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{26317}}^1$

素因数の和:26363

約数の個数: 16

約数和(自身を含む): 35371392

約数和(自身を除く): 14159890

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 26317, 52634, 342121, 684242, 815827, 1631654, 10605751, 21211502]

約数ペア:

[(1, 21211502), (2, 10605751), (13, 1631654), (26, 815827), (31, 684242), (62, 342121), (403, 52634), (806, 26317)]