21413175

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{40787}}^1$

素因数の和:40807

約数の個数: 24

約数和(自身を含む): 40461696

約数和(自身を除く): 19048521

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 40787, 122361, 203935, 285509, 611805, 856527, 1019675, 1427545, 3059025, 4282635, 7137725, 21413175]

約数ペア:

[(1, 21413175), (3, 7137725), (5, 4282635), (7, 3059025), (15, 1427545), (21, 1019675), (25, 856527), (35, 611805), (75, 285509), (105, 203935), (175, 122361), (525, 40787)]