21496118

素因数分解:

$2^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{1951}}^1$

素因数の和:2747

約数の個数: 16

約数和(自身を含む): 36916224

約数和(自身を除く): 15420106

約数列:

[1, 2, 7, 14, 787, 1574, 1951, 3902, 5509, 11018, 13657, 27314, 1535437, 3070874, 10748059, 21496118]

約数ペア:

[(1, 21496118), (2, 10748059), (7, 3070874), (14, 1535437), (787, 27314), (1574, 13657), (1951, 11018), (3902, 5509)]