21540416

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{8209}}^1$

素因数の和:8262

約数の個数: 28

約数和(自身を含む): 43792140

約数和(自身を除く): 22251724

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 328, 656, 1312, 2624, 8209, 16418, 32836, 65672, 131344, 262688, 336569, 525376, 673138, 1346276, 2692552, 5385104, 10770208, 21540416]

約数ペア:

[(1, 21540416), (2, 10770208), (4, 5385104), (8, 2692552), (16, 1346276), (32, 673138), (41, 525376), (64, 336569), (82, 262688), (164, 131344), (328, 65672), (656, 32836), (1312, 16418), (2624, 8209)]