21435712

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{4999}}^1$

素因数の和:5078

約数の個数: 28

約数和(自身を含む): 43180000

約数和(自身を除く): 21744288

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 134, 268, 536, 1072, 2144, 4288, 4999, 9998, 19996, 39992, 79984, 159968, 319936, 334933, 669866, 1339732, 2679464, 5358928, 10717856, 21435712]

約数ペア:

[(1, 21435712), (2, 10717856), (4, 5358928), (8, 2679464), (16, 1339732), (32, 669866), (64, 334933), (67, 319936), (134, 159968), (268, 79984), (536, 39992), (1072, 19996), (2144, 9998), (4288, 4999)]