21951950

素因数分解:

$2^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{3457}}^1$

素因数の和:3596

約数の個数: 24

約数和(自身を含む): 41164032

約数和(自身を除く): 19212082

約数列:

[1, 2, 5, 10, 25, 50, 127, 254, 635, 1270, 3175, 3457, 6350, 6914, 17285, 34570, 86425, 172850, 439039, 878078, 2195195, 4390390, 10975975, 21951950]

約数ペア:

[(1, 21951950), (2, 10975975), (5, 4390390), (10, 2195195), (25, 878078), (50, 439039), (127, 172850), (254, 86425), (635, 34570), (1270, 17285), (3175, 6914), (3457, 6350)]