21454688

素因数分解:

$2^5\times {\mathrm{109}}^1\times {\mathrm{6151}}^1$

素因数の和:6270

約数の個数: 24

約数和(自身を含む): 42633360

約数和(自身を除く): 21178672

約数列:

[1, 2, 4, 8, 16, 32, 109, 218, 436, 872, 1744, 3488, 6151, 12302, 24604, 49208, 98416, 196832, 670459, 1340918, 2681836, 5363672, 10727344, 21454688]

約数ペア:

[(1, 21454688), (2, 10727344), (4, 5363672), (8, 2681836), (16, 1340918), (32, 670459), (109, 196832), (218, 98416), (436, 49208), (872, 24604), (1744, 12302), (3488, 6151)]