21931308

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3001}}^1$

素因数の和:3047

約数の個数: 72

約数和(自身を含む): 65563680

約数和(自身を除く): 43632372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 3001, 3654, 6002, 7308, 9003, 12004, 18006, 21007, 27009, 36012, 42014, 54018, 63021, 84028, 87029, 108036, 126042, 174058, 189063, 252084, 261087, 348116, 378126, 522174, 609203, 756252, 783261, 1044348, 1218406, 1566522, 1827609, 2436812, 3133044, 3655218, 5482827, 7310436, 10965654, 21931308]

約数ペア:

[(1, 21931308), (2, 10965654), (3, 7310436), (4, 5482827), (6, 3655218), (7, 3133044), (9, 2436812), (12, 1827609), (14, 1566522), (18, 1218406), (21, 1044348), (28, 783261), (29, 756252), (36, 609203), (42, 522174), (58, 378126), (63, 348116), (84, 261087), (87, 252084), (116, 189063), (126, 174058), (174, 126042), (203, 108036), (252, 87029), (261, 84028), (348, 63021), (406, 54018), (522, 42014), (609, 36012), (812, 27009), (1044, 21007), (1218, 18006), (1827, 12004), (2436, 9003), (3001, 7308), (3654, 6002)]