21162750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:195

約数の個数: 128

約数和(自身を含む): 62899200

約数和(自身を除く): 41736450

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 29, 30, 35, 42, 50, 58, 70, 75, 87, 105, 125, 139, 145, 150, 174, 175, 203, 210, 250, 278, 290, 350, 375, 406, 417, 435, 525, 609, 695, 725, 750, 834, 870, 875, 973, 1015, 1050, 1218, 1390, 1450, 1750, 1946, 2030, 2085, 2175, 2625, 2919, 3045, 3475, 3625, 4031, 4170, 4350, 4865, 5075, 5250, 5838, 6090, 6950, 7250, 8062, 9730, 10150, 10425, 10875, 12093, 14595, 15225, 17375, 20155, 20850, 21750, 24186, 24325, 25375, 28217, 29190, 30450, 34750, 40310, 48650, 50750, 52125, 56434, 60465, 72975, 76125, 84651, 100775, 104250, 120930, 121625, 141085, 145950, 152250, 169302, 201550, 243250, 282170, 302325, 364875, 423255, 503875, 604650, 705425, 729750, 846510, 1007750, 1410850, 1511625, 2116275, 3023250, 3527125, 4232550, 7054250, 10581375, 21162750]

約数ペア:

[(1, 21162750), (2, 10581375), (3, 7054250), (5, 4232550), (6, 3527125), (7, 3023250), (10, 2116275), (14, 1511625), (15, 1410850), (21, 1007750), (25, 846510), (29, 729750), (30, 705425), (35, 604650), (42, 503875), (50, 423255), (58, 364875), (70, 302325), (75, 282170), (87, 243250), (105, 201550), (125, 169302), (139, 152250), (145, 145950), (150, 141085), (174, 121625), (175, 120930), (203, 104250), (210, 100775), (250, 84651), (278, 76125), (290, 72975), (350, 60465), (375, 56434), (406, 52125), (417, 50750), (435, 48650), (525, 40310), (609, 34750), (695, 30450), (725, 29190), (750, 28217), (834, 25375), (870, 24325), (875, 24186), (973, 21750), (1015, 20850), (1050, 20155), (1218, 17375), (1390, 15225), (1450, 14595), (1750, 12093), (1946, 10875), (2030, 10425), (2085, 10150), (2175, 9730), (2625, 8062), (2919, 7250), (3045, 6950), (3475, 6090), (3625, 5838), (4031, 5250), (4170, 5075), (4350, 4865)]