21065312

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{38723}}^1$

素因数の和:38750

約数の個数: 24

約数和(自身を含む): 43913016

約数和(自身を除く): 22847704

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 38723, 77446, 154892, 309784, 619568, 658291, 1239136, 1316582, 2633164, 5266328, 10532656, 21065312]

約数ペア:

[(1, 21065312), (2, 10532656), (4, 5266328), (8, 2633164), (16, 1316582), (17, 1239136), (32, 658291), (34, 619568), (68, 309784), (136, 154892), (272, 77446), (544, 38723)]