21715696675

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1\times {\mathrm{1093}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 28471481280

約数和(自身を除く): 6755784605

約数列:

[1, 5, 23, 25, 109, 115, 317, 545, 575, 1093, 1585, 2507, 2725, 5465, 7291, 7925, 12535, 25139, 27325, 34553, 36455, 62675, 119137, 125695, 172765, 182275, 346481, 595685, 628475, 794719, 863825, 1732405, 2740151, 2978425, 3973595, 7969063, 8662025, 13700755, 19867975, 37766429, 39845315, 68503775, 188832145, 199226575, 868627867, 944160725, 4343139335, 21715696675]

約数ペア:

[(1, 21715696675), (5, 4343139335), (23, 944160725), (25, 868627867), (109, 199226575), (115, 188832145), (317, 68503775), (545, 39845315), (575, 37766429), (1093, 19867975), (1585, 13700755), (2507, 8662025), (2725, 7969063), (5465, 3973595), (7291, 2978425), (7925, 2740151), (12535, 1732405), (25139, 863825), (27325, 794719), (34553, 628475), (36455, 595685), (62675, 346481), (119137, 182275), (125695, 172765)]