21689984

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{4133}}^1$

素因数の和:4188

約数の個数: 32

約数和(自身を含む): 44275140

約数和(自身を除く): 22585156

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 328, 656, 1312, 2624, 4133, 5248, 8266, 16532, 33064, 66128, 132256, 169453, 264512, 338906, 529024, 677812, 1355624, 2711248, 5422496, 10844992, 21689984]

約数ペア:

[(1, 21689984), (2, 10844992), (4, 5422496), (8, 2711248), (16, 1355624), (32, 677812), (41, 529024), (64, 338906), (82, 264512), (128, 169453), (164, 132256), (328, 66128), (656, 33064), (1312, 16532), (2624, 8266), (4133, 5248)]