21535209

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3433}}^1$

素因数の和:3497

約数の個数: 24

約数和(自身を含む): 33749352

約数和(自身を除く): 12214143

約数列:

[1, 3, 9, 17, 41, 51, 123, 153, 369, 697, 2091, 3433, 6273, 10299, 30897, 58361, 140753, 175083, 422259, 525249, 1266777, 2392801, 7178403, 21535209]

約数ペア:

[(1, 21535209), (3, 7178403), (9, 2392801), (17, 1266777), (41, 525249), (51, 422259), (123, 175083), (153, 140753), (369, 58361), (697, 30897), (2091, 10299), (3433, 6273)]