21284784

素因数分解:

$2^4\times 3^2\times {\mathrm{147811}}^1$

素因数の和:147825

約数の個数: 30

約数和(自身を含む): 59568236

約数和(自身を除く): 38283452

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 147811, 295622, 443433, 591244, 886866, 1182488, 1330299, 1773732, 2364976, 2660598, 3547464, 5321196, 7094928, 10642392, 21284784]

約数ペア:

[(1, 21284784), (2, 10642392), (3, 7094928), (4, 5321196), (6, 3547464), (8, 2660598), (9, 2364976), (12, 1773732), (16, 1330299), (18, 1182488), (24, 886866), (36, 591244), (48, 443433), (72, 295622), (144, 147811)]