21899160

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{751}}^1$

素因数の和:780

約数の個数: 112

約数和(自身を含む): 73974240

約数和(自身を除く): 52075080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 729, 751, 810, 972, 1080, 1215, 1458, 1502, 1620, 1944, 2253, 2430, 2916, 3004, 3240, 3645, 3755, 4506, 4860, 5832, 6008, 6759, 7290, 7510, 9012, 9720, 11265, 13518, 14580, 15020, 18024, 20277, 22530, 27036, 29160, 30040, 33795, 40554, 45060, 54072, 60831, 67590, 81108, 90120, 101385, 121662, 135180, 162216, 182493, 202770, 243324, 270360, 304155, 364986, 405540, 486648, 547479, 608310, 729972, 811080, 912465, 1094958, 1216620, 1459944, 1824930, 2189916, 2433240, 2737395, 3649860, 4379832, 5474790, 7299720, 10949580, 21899160]

約数ペア:

[(1, 21899160), (2, 10949580), (3, 7299720), (4, 5474790), (5, 4379832), (6, 3649860), (8, 2737395), (9, 2433240), (10, 2189916), (12, 1824930), (15, 1459944), (18, 1216620), (20, 1094958), (24, 912465), (27, 811080), (30, 729972), (36, 608310), (40, 547479), (45, 486648), (54, 405540), (60, 364986), (72, 304155), (81, 270360), (90, 243324), (108, 202770), (120, 182493), (135, 162216), (162, 135180), (180, 121662), (216, 101385), (243, 90120), (270, 81108), (324, 67590), (360, 60831), (405, 54072), (486, 45060), (540, 40554), (648, 33795), (729, 30040), (751, 29160), (810, 27036), (972, 22530), (1080, 20277), (1215, 18024), (1458, 15020), (1502, 14580), (1620, 13518), (1944, 11265), (2253, 9720), (2430, 9012), (2916, 7510), (3004, 7290), (3240, 6759), (3645, 6008), (3755, 5832), (4506, 4860)]