21412736

素因数分解:

$2^7\times {\mathrm{131}}^1\times {\mathrm{1277}}^1$

素因数の和:1422

約数の個数: 32

約数和(自身を含む): 43017480

約数和(自身を除く): 21604744

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 262, 524, 1048, 1277, 2096, 2554, 4192, 5108, 8384, 10216, 16768, 20432, 40864, 81728, 163456, 167287, 334574, 669148, 1338296, 2676592, 5353184, 10706368, 21412736]

約数ペア:

[(1, 21412736), (2, 10706368), (4, 5353184), (8, 2676592), (16, 1338296), (32, 669148), (64, 334574), (128, 167287), (131, 163456), (262, 81728), (524, 40864), (1048, 20432), (1277, 16768), (2096, 10216), (2554, 8384), (4192, 5108)]