21012608

素因数分解:

$2^7\times {\mathrm{167}}^1\times {\mathrm{983}}^1$

素因数の和:1164

約数の個数: 32

約数和(自身を含む): 42154560

約数和(自身を除く): 21141952

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 167, 334, 668, 983, 1336, 1966, 2672, 3932, 5344, 7864, 10688, 15728, 21376, 31456, 62912, 125824, 164161, 328322, 656644, 1313288, 2626576, 5253152, 10506304, 21012608]

約数ペア:

[(1, 21012608), (2, 10506304), (4, 5253152), (8, 2626576), (16, 1313288), (32, 656644), (64, 328322), (128, 164161), (167, 125824), (334, 62912), (668, 31456), (983, 21376), (1336, 15728), (1966, 10688), (2672, 7864), (3932, 5344)]