21825828

素因数分解:

$2^2\times 3^3\times {\mathrm{179}}^1\times {\mathrm{1129}}^1$

素因数の和:1321

約数の個数: 48

約数和(自身を含む): 56952000

約数和(自身を除く): 35126172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 179, 358, 537, 716, 1074, 1129, 1611, 2148, 2258, 3222, 3387, 4516, 4833, 6444, 6774, 9666, 10161, 13548, 19332, 20322, 30483, 40644, 60966, 121932, 202091, 404182, 606273, 808364, 1212546, 1818819, 2425092, 3637638, 5456457, 7275276, 10912914, 21825828]

約数ペア:

[(1, 21825828), (2, 10912914), (3, 7275276), (4, 5456457), (6, 3637638), (9, 2425092), (12, 1818819), (18, 1212546), (27, 808364), (36, 606273), (54, 404182), (108, 202091), (179, 121932), (358, 60966), (537, 40644), (716, 30483), (1074, 20322), (1129, 19332), (1611, 13548), (2148, 10161), (2258, 9666), (3222, 6774), (3387, 6444), (4516, 4833)]