21704450

素因数分解:

$2^1\times 5^2\times {\mathrm{503}}^1\times {\mathrm{863}}^1$

素因数の和:1378

約数の個数: 24

約数和(自身を含む): 40497408

約数和(自身を除く): 18792958

約数列:

[1, 2, 5, 10, 25, 50, 503, 863, 1006, 1726, 2515, 4315, 5030, 8630, 12575, 21575, 25150, 43150, 434089, 868178, 2170445, 4340890, 10852225, 21704450]

約数ペア:

[(1, 21704450), (2, 10852225), (5, 4340890), (10, 2170445), (25, 868178), (50, 434089), (503, 43150), (863, 25150), (1006, 21575), (1726, 12575), (2515, 8630), (4315, 5030)]