21242022021

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{941}}^1\times {\mathrm{1091}}^1$

素因数の和:2079

約数の個数: 72

約数和(自身を含む): 35571201120

約数和(自身を除く): 14329179099

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 121, 171, 209, 363, 627, 941, 1089, 1091, 1881, 2299, 2823, 3273, 6897, 8469, 9819, 10351, 12001, 17879, 20691, 20729, 31053, 36003, 53637, 62187, 93159, 108009, 113861, 132011, 160911, 186561, 196669, 228019, 341583, 396033, 590007, 684057, 1024749, 1026631, 1188099, 1770021, 2052171, 2163359, 2508209, 3079893, 6490077, 7524627, 9239679, 11292941, 19470231, 19505989, 22573881, 33878823, 58517967, 101636469, 124222351, 175553901, 214565879, 372667053, 643697637, 1118001159, 1931092911, 2360224669, 7080674007, 21242022021]

約数ペア:

[(1, 21242022021), (3, 7080674007), (9, 2360224669), (11, 1931092911), (19, 1118001159), (33, 643697637), (57, 372667053), (99, 214565879), (121, 175553901), (171, 124222351), (209, 101636469), (363, 58517967), (627, 33878823), (941, 22573881), (1089, 19505989), (1091, 19470231), (1881, 11292941), (2299, 9239679), (2823, 7524627), (3273, 6490077), (6897, 3079893), (8469, 2508209), (9819, 2163359), (10351, 2052171), (12001, 1770021), (17879, 1188099), (20691, 1026631), (20729, 1024749), (31053, 684057), (36003, 590007), (53637, 396033), (62187, 341583), (93159, 228019), (108009, 196669), (113861, 186561), (132011, 160911)]