21285376

素因数分解:

$2^9\times 7^1\times {\mathrm{5939}}^1$

素因数の和:5964

約数の個数: 40

約数和(自身を含む): 48612960

約数和(自身を除く): 27327584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5939, 11878, 23756, 41573, 47512, 83146, 95024, 166292, 190048, 332584, 380096, 665168, 760192, 1330336, 1520384, 2660672, 3040768, 5321344, 10642688, 21285376]

約数ペア:

[(1, 21285376), (2, 10642688), (4, 5321344), (7, 3040768), (8, 2660672), (14, 1520384), (16, 1330336), (28, 760192), (32, 665168), (56, 380096), (64, 332584), (112, 190048), (128, 166292), (224, 95024), (256, 83146), (448, 47512), (512, 41573), (896, 23756), (1792, 11878), (3584, 5939)]