21289658828

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{3239449}}^1$

素因数の和:3239537

約数の個数: 24

約数和(自身を含む): 39184387200

約数和(自身を除く): 17894728372

約数列:

[1, 2, 4, 31, 53, 62, 106, 124, 212, 1643, 3286, 6572, 3239449, 6478898, 12957796, 100422919, 171690797, 200845838, 343381594, 401691676, 686763188, 5322414707, 10644829414, 21289658828]

約数ペア:

[(1, 21289658828), (2, 10644829414), (4, 5322414707), (31, 686763188), (53, 401691676), (62, 343381594), (106, 200845838), (124, 171690797), (212, 100422919), (1643, 12957796), (3286, 6478898), (6572, 3239449)]