21365898

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{53149}}^1$

素因数の和:53221

約数の個数: 16

約数和(自身を含む): 43370400

約数和(自身を除く): 22004502

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 53149, 106298, 159447, 318894, 3560983, 7121966, 10682949, 21365898]

約数ペア:

[(1, 21365898), (2, 10682949), (3, 7121966), (6, 3560983), (67, 318894), (134, 159447), (201, 106298), (402, 53149)]