21227156960

素因数分解:

$2^5\times 5^1\times {\mathrm{132669731}}^1$

素因数の和:132669746

約数の個数: 24

約数和(自身を含む): 50149158696

約数和(自身を除く): 28922001736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 132669731, 265339462, 530678924, 663348655, 1061357848, 1326697310, 2122715696, 2653394620, 4245431392, 5306789240, 10613578480, 21227156960]

約数ペア:

[(1, 21227156960), (2, 10613578480), (4, 5306789240), (5, 4245431392), (8, 2653394620), (10, 2122715696), (16, 1326697310), (20, 1061357848), (32, 663348655), (40, 530678924), (80, 265339462), (160, 132669731)]