21460556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13313}}^1$

素因数の和:13361

約数の個数: 24

約数和(自身を含む): 41752704

約数和(自身を除く): 20292148

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 13313, 26626, 53252, 173069, 346138, 412703, 692276, 825406, 1650812, 5365139, 10730278, 21460556]

約数ペア:

[(1, 21460556), (2, 10730278), (4, 5365139), (13, 1650812), (26, 825406), (31, 692276), (52, 412703), (62, 346138), (124, 173069), (403, 53252), (806, 26626), (1612, 13313)]