21804660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:438

約数の個数: 96

約数和(自身を含む): 68544000

約数和(自身を除く): 46739340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 149, 180, 270, 271, 298, 447, 540, 542, 596, 745, 813, 894, 1084, 1341, 1355, 1490, 1626, 1788, 2235, 2439, 2682, 2710, 2980, 3252, 4023, 4065, 4470, 4878, 5364, 5420, 6705, 7317, 8046, 8130, 8940, 9756, 12195, 13410, 14634, 16092, 16260, 20115, 24390, 26820, 29268, 36585, 40230, 40379, 48780, 73170, 80460, 80758, 121137, 146340, 161516, 201895, 242274, 363411, 403790, 484548, 605685, 726822, 807580, 1090233, 1211370, 1453644, 1817055, 2180466, 2422740, 3634110, 4360932, 5451165, 7268220, 10902330, 21804660]

約数ペア:

[(1, 21804660), (2, 10902330), (3, 7268220), (4, 5451165), (5, 4360932), (6, 3634110), (9, 2422740), (10, 2180466), (12, 1817055), (15, 1453644), (18, 1211370), (20, 1090233), (27, 807580), (30, 726822), (36, 605685), (45, 484548), (54, 403790), (60, 363411), (90, 242274), (108, 201895), (135, 161516), (149, 146340), (180, 121137), (270, 80758), (271, 80460), (298, 73170), (447, 48780), (540, 40379), (542, 40230), (596, 36585), (745, 29268), (813, 26820), (894, 24390), (1084, 20115), (1341, 16260), (1355, 16092), (1490, 14634), (1626, 13410), (1788, 12195), (2235, 9756), (2439, 8940), (2682, 8130), (2710, 8046), (2980, 7317), (3252, 6705), (4023, 5420), (4065, 5364), (4470, 4878)]