21268234

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{3259}}^1$

素因数の和:3525

約数の個数: 16

約数和(自身を含む): 34503840

約数和(自身を除く): 13235606

約数列:

[1, 2, 13, 26, 251, 502, 3259, 3263, 6518, 6526, 42367, 84734, 818009, 1636018, 10634117, 21268234]

約数ペア:

[(1, 21268234), (2, 10634117), (13, 1636018), (26, 818009), (251, 84734), (502, 42367), (3259, 6526), (3263, 6518)]