21374416

素因数分解:

$2^4\times 7^1\times {\mathrm{190843}}^1$

素因数の和:190858

約数の個数: 20

約数和(自身を含む): 47329312

約数和(自身を除く): 25954896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 190843, 381686, 763372, 1335901, 1526744, 2671802, 3053488, 5343604, 10687208, 21374416]

約数ペア:

[(1, 21374416), (2, 10687208), (4, 5343604), (7, 3053488), (8, 2671802), (14, 1526744), (16, 1335901), (28, 763372), (56, 381686), (112, 190843)]