21299486

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{8111}}^1$

素因数の和:8227

約数の個数: 16

約数和(自身を含む): 34751808

約数和(自身を除く): 13452322

約数列:

[1, 2, 13, 26, 101, 202, 1313, 2626, 8111, 16222, 105443, 210886, 819211, 1638422, 10649743, 21299486]

約数ペア:

[(1, 21299486), (2, 10649743), (13, 1638422), (26, 819211), (101, 210886), (202, 105443), (1313, 16222), (2626, 8111)]