21065552

素因数分解:

$2^4\times {\mathrm{727}}^1\times {\mathrm{1811}}^1$

素因数の和:2546

約数の個数: 20

約数和(自身を含む): 40893216

約数和(自身を除く): 19827664

約数列:

[1, 2, 4, 8, 16, 727, 1454, 1811, 2908, 3622, 5816, 7244, 11632, 14488, 28976, 1316597, 2633194, 5266388, 10532776, 21065552]

約数ペア:

[(1, 21065552), (2, 10532776), (4, 5266388), (8, 2633194), (16, 1316597), (727, 28976), (1454, 14488), (1811, 11632), (2908, 7244), (3622, 5816)]