21412350

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:352

約数の個数: 120

約数和(自身を含む): 63196848

約数和(自身を除く): 41784498

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 27, 30, 34, 45, 50, 51, 54, 75, 81, 85, 90, 102, 135, 150, 153, 162, 170, 225, 255, 270, 306, 311, 405, 425, 450, 459, 510, 622, 675, 765, 810, 850, 918, 933, 1275, 1350, 1377, 1530, 1555, 1866, 2025, 2295, 2550, 2754, 2799, 3110, 3825, 4050, 4590, 4665, 5287, 5598, 6885, 7650, 7775, 8397, 9330, 10574, 11475, 13770, 13995, 15550, 15861, 16794, 22950, 23325, 25191, 26435, 27990, 31722, 34425, 41985, 46650, 47583, 50382, 52870, 68850, 69975, 79305, 83970, 95166, 125955, 132175, 139950, 142749, 158610, 209925, 237915, 251910, 264350, 285498, 396525, 419850, 428247, 475830, 629775, 713745, 793050, 856494, 1189575, 1259550, 1427490, 2141235, 2379150, 3568725, 4282470, 7137450, 10706175, 21412350]

約数ペア:

[(1, 21412350), (2, 10706175), (3, 7137450), (5, 4282470), (6, 3568725), (9, 2379150), (10, 2141235), (15, 1427490), (17, 1259550), (18, 1189575), (25, 856494), (27, 793050), (30, 713745), (34, 629775), (45, 475830), (50, 428247), (51, 419850), (54, 396525), (75, 285498), (81, 264350), (85, 251910), (90, 237915), (102, 209925), (135, 158610), (150, 142749), (153, 139950), (162, 132175), (170, 125955), (225, 95166), (255, 83970), (270, 79305), (306, 69975), (311, 68850), (405, 52870), (425, 50382), (450, 47583), (459, 46650), (510, 41985), (622, 34425), (675, 31722), (765, 27990), (810, 26435), (850, 25191), (918, 23325), (933, 22950), (1275, 16794), (1350, 15861), (1377, 15550), (1530, 13995), (1555, 13770), (1866, 11475), (2025, 10574), (2295, 9330), (2550, 8397), (2754, 7775), (2799, 7650), (3110, 6885), (3825, 5598), (4050, 5287), (4590, 4665)]