21070942808

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{154933403}}^1$

素因数の和:154933426

約数の個数: 16

約数和(自身を含む): 41832019080

約数和(自身を除く): 20761076272

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 154933403, 309866806, 619733612, 1239467224, 2633867851, 5267735702, 10535471404, 21070942808]

約数ペア:

[(1, 21070942808), (2, 10535471404), (4, 5267735702), (8, 2633867851), (17, 1239467224), (34, 619733612), (68, 309866806), (136, 154933403)]