21382784

素因数分解:

$2^7\times {\mathrm{89}}^1\times {\mathrm{1877}}^1$

素因数の和:1980

約数の個数: 32

約数和(自身を含む): 43100100

約数和(自身を除く): 21717316

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 356, 712, 1424, 1877, 2848, 3754, 5696, 7508, 11392, 15016, 30032, 60064, 120128, 167053, 240256, 334106, 668212, 1336424, 2672848, 5345696, 10691392, 21382784]

約数ペア:

[(1, 21382784), (2, 10691392), (4, 5345696), (8, 2672848), (16, 1336424), (32, 668212), (64, 334106), (89, 240256), (128, 167053), (178, 120128), (356, 60064), (712, 30032), (1424, 15016), (1877, 11392), (2848, 7508), (3754, 5696)]