21034624

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12641}}^1$

素因数の和:12668

約数の個数: 32

約数和(自身を含む): 45131940

約数和(自身を除く): 24097316

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12641, 25282, 50564, 101128, 164333, 202256, 328666, 404512, 657332, 809024, 1314664, 1618048, 2629328, 5258656, 10517312, 21034624]

約数ペア:

[(1, 21034624), (2, 10517312), (4, 5258656), (8, 2629328), (13, 1618048), (16, 1314664), (26, 809024), (32, 657332), (52, 404512), (64, 328666), (104, 202256), (128, 164333), (208, 101128), (416, 50564), (832, 25282), (1664, 12641)]