21747702

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{68389}}^1$

素因数の和:68447

約数の個数: 16

約数和(自身を含む): 44316720

約数和(自身を除く): 22569018

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 68389, 136778, 205167, 410334, 3624617, 7249234, 10873851, 21747702]

約数ペア:

[(1, 21747702), (2, 10873851), (3, 7249234), (6, 3624617), (53, 410334), (106, 205167), (159, 136778), (318, 68389)]