21838256

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{743}}^1$

素因数の和:929

約数の個数: 40

約数和(自身を含む): 46497024

約数和(自身を除く): 24658768

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 167, 176, 334, 668, 743, 1336, 1486, 1837, 2672, 2972, 3674, 5944, 7348, 8173, 11888, 14696, 16346, 29392, 32692, 65384, 124081, 130768, 248162, 496324, 992648, 1364891, 1985296, 2729782, 5459564, 10919128, 21838256]

約数ペア:

[(1, 21838256), (2, 10919128), (4, 5459564), (8, 2729782), (11, 1985296), (16, 1364891), (22, 992648), (44, 496324), (88, 248162), (167, 130768), (176, 124081), (334, 65384), (668, 32692), (743, 29392), (1336, 16346), (1486, 14696), (1837, 11888), (2672, 8173), (2972, 7348), (3674, 5944)]