21479516

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{10151}}^1$

素因数の和:10201

約数の個数: 18

約数和(自身を含む): 39298392

約数和(自身を除く): 17818876

約数列:

[1, 2, 4, 23, 46, 92, 529, 1058, 2116, 10151, 20302, 40604, 233473, 466946, 933892, 5369879, 10739758, 21479516]

約数ペア:

[(1, 21479516), (2, 10739758), (4, 5369879), (23, 933892), (46, 466946), (92, 233473), (529, 40604), (1058, 20302), (2116, 10151)]