21081544

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5843}}^1$

素因数の和:5901

約数の個数: 32

約数和(自身を含む): 44180640

約数和(自身を除く): 23099096

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 5843, 11686, 23372, 46744, 64273, 128546, 239563, 257092, 479126, 514184, 958252, 1916504, 2635193, 5270386, 10540772, 21081544]

約数ペア:

[(1, 21081544), (2, 10540772), (4, 5270386), (8, 2635193), (11, 1916504), (22, 958252), (41, 514184), (44, 479126), (82, 257092), (88, 239563), (164, 128546), (328, 64273), (451, 46744), (902, 23372), (1804, 11686), (3608, 5843)]