21349920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2341}}^1$

素因数の和:2378

約数の個数: 96

約数和(自身を含む): 70822080

約数和(自身を除く): 49472160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 380, 456, 480, 570, 608, 760, 912, 1140, 1520, 1824, 2280, 2341, 3040, 4560, 4682, 7023, 9120, 9364, 11705, 14046, 18728, 23410, 28092, 35115, 37456, 44479, 46820, 56184, 70230, 74912, 88958, 93640, 112368, 133437, 140460, 177916, 187280, 222395, 224736, 266874, 280920, 355832, 374560, 444790, 533748, 561840, 667185, 711664, 889580, 1067496, 1123680, 1334370, 1423328, 1779160, 2134992, 2668740, 3558320, 4269984, 5337480, 7116640, 10674960, 21349920]

約数ペア:

[(1, 21349920), (2, 10674960), (3, 7116640), (4, 5337480), (5, 4269984), (6, 3558320), (8, 2668740), (10, 2134992), (12, 1779160), (15, 1423328), (16, 1334370), (19, 1123680), (20, 1067496), (24, 889580), (30, 711664), (32, 667185), (38, 561840), (40, 533748), (48, 444790), (57, 374560), (60, 355832), (76, 280920), (80, 266874), (95, 224736), (96, 222395), (114, 187280), (120, 177916), (152, 140460), (160, 133437), (190, 112368), (228, 93640), (240, 88958), (285, 74912), (304, 70230), (380, 56184), (456, 46820), (480, 44479), (570, 37456), (608, 35115), (760, 28092), (912, 23410), (1140, 18728), (1520, 14046), (1824, 11705), (2280, 9364), (2341, 9120), (3040, 7023), (4560, 4682)]