21083384

素因数分解:

$2^3\times 7^1\times {\mathrm{383}}^1\times {\mathrm{983}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 45342720

約数和(自身を除く): 24259336

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 383, 766, 983, 1532, 1966, 2681, 3064, 3932, 5362, 6881, 7864, 10724, 13762, 21448, 27524, 55048, 376489, 752978, 1505956, 2635423, 3011912, 5270846, 10541692, 21083384]

約数ペア:

[(1, 21083384), (2, 10541692), (4, 5270846), (7, 3011912), (8, 2635423), (14, 1505956), (28, 752978), (56, 376489), (383, 55048), (766, 27524), (983, 21448), (1532, 13762), (1966, 10724), (2681, 7864), (3064, 6881), (3932, 5362)]