21811072

素因数分解:

$2^7\times {\mathrm{83}}^1\times {\mathrm{2053}}^1$

素因数の和:2150

約数の個数: 32

約数和(自身を含む): 43996680

約数和(自身を除く): 22185608

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 166, 332, 664, 1328, 2053, 2656, 4106, 5312, 8212, 10624, 16424, 32848, 65696, 131392, 170399, 262784, 340798, 681596, 1363192, 2726384, 5452768, 10905536, 21811072]

約数ペア:

[(1, 21811072), (2, 10905536), (4, 5452768), (8, 2726384), (16, 1363192), (32, 681596), (64, 340798), (83, 262784), (128, 170399), (166, 131392), (332, 65696), (664, 32848), (1328, 16424), (2053, 10624), (2656, 8212), (4106, 5312)]