21803425

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5417}}^1$

素因数の和:5457

約数の個数: 24

約数和(自身を含む): 32247936

約数和(自身を除く): 10444511

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 5417, 27085, 37919, 124591, 135425, 189595, 622955, 872137, 947975, 3114775, 4360685, 21803425]

約数ペア:

[(1, 21803425), (5, 4360685), (7, 3114775), (23, 947975), (25, 872137), (35, 622955), (115, 189595), (161, 135425), (175, 124591), (575, 37919), (805, 27085), (4025, 5417)]