21267224

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{631}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 43683840

約数和(自身を除く): 22416616

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 383, 631, 766, 1262, 1532, 2524, 3064, 4213, 5048, 6941, 8426, 13882, 16852, 27764, 33704, 55528, 241673, 483346, 966692, 1933384, 2658403, 5316806, 10633612, 21267224]

約数ペア:

[(1, 21267224), (2, 10633612), (4, 5316806), (8, 2658403), (11, 1933384), (22, 966692), (44, 483346), (88, 241673), (383, 55528), (631, 33704), (766, 27764), (1262, 16852), (1532, 13882), (2524, 8426), (3064, 6941), (4213, 5048)]