21200384

素因数分解:

$2^9\times {\mathrm{47}}^1\times {\mathrm{881}}^1$

素因数の和:946

約数の個数: 40

約数和(自身を含む): 43309728

約数和(自身を除く): 22109344

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 256, 376, 512, 752, 881, 1504, 1762, 3008, 3524, 6016, 7048, 12032, 14096, 24064, 28192, 41407, 56384, 82814, 112768, 165628, 225536, 331256, 451072, 662512, 1325024, 2650048, 5300096, 10600192, 21200384]

約数ペア:

[(1, 21200384), (2, 10600192), (4, 5300096), (8, 2650048), (16, 1325024), (32, 662512), (47, 451072), (64, 331256), (94, 225536), (128, 165628), (188, 112768), (256, 82814), (376, 56384), (512, 41407), (752, 28192), (881, 24064), (1504, 14096), (1762, 12032), (3008, 7048), (3524, 6016)]