21087196

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{599}}^1\times {\mathrm{677}}^1$

素因数の和:1293

約数の個数: 24

約数和(自身を含む): 39866400

約数和(自身を除く): 18779204

約数列:

[1, 2, 4, 13, 26, 52, 599, 677, 1198, 1354, 2396, 2708, 7787, 8801, 15574, 17602, 31148, 35204, 405523, 811046, 1622092, 5271799, 10543598, 21087196]

約数ペア:

[(1, 21087196), (2, 10543598), (4, 5271799), (13, 1622092), (26, 811046), (52, 405523), (599, 35204), (677, 31148), (1198, 17602), (1354, 15574), (2396, 8801), (2708, 7787)]