21032487176

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{154650641}}^1$

素因数の和:154650664

約数の個数: 16

約数和(自身を含む): 41755673340

約数和(自身を除く): 20723186164

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 154650641, 309301282, 618602564, 1237205128, 2629060897, 5258121794, 10516243588, 21032487176]

約数ペア:

[(1, 21032487176), (2, 10516243588), (4, 5258121794), (8, 2629060897), (17, 1237205128), (34, 618602564), (68, 309301282), (136, 154650641)]