21698224

素因数分解:

$2^4\times {\mathrm{523}}^1\times {\mathrm{2593}}^1$

素因数の和:3124

約数の個数: 20

約数和(自身を含む): 42136936

約数和(自身を除く): 20438712

約数列:

[1, 2, 4, 8, 16, 523, 1046, 2092, 2593, 4184, 5186, 8368, 10372, 20744, 41488, 1356139, 2712278, 5424556, 10849112, 21698224]

約数ペア:

[(1, 21698224), (2, 10849112), (4, 5424556), (8, 2712278), (16, 1356139), (523, 41488), (1046, 20744), (2092, 10372), (2593, 8368), (4184, 5186)]