21043680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6263}}^1$

素因数の和:6288

約数の個数: 96

約数和(自身を含む): 75769344

約数和(自身を除く): 54725664

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6263, 12526, 18789, 25052, 31315, 37578, 43841, 50104, 62630, 75156, 87682, 93945, 100208, 125260, 131523, 150312, 175364, 187890, 200416, 219205, 250520, 263046, 300624, 350728, 375780, 438410, 501040, 526092, 601248, 657615, 701456, 751560, 876820, 1002080, 1052184, 1315230, 1402912, 1503120, 1753640, 2104368, 2630460, 3006240, 3507280, 4208736, 5260920, 7014560, 10521840, 21043680]

約数ペア:

[(1, 21043680), (2, 10521840), (3, 7014560), (4, 5260920), (5, 4208736), (6, 3507280), (7, 3006240), (8, 2630460), (10, 2104368), (12, 1753640), (14, 1503120), (15, 1402912), (16, 1315230), (20, 1052184), (21, 1002080), (24, 876820), (28, 751560), (30, 701456), (32, 657615), (35, 601248), (40, 526092), (42, 501040), (48, 438410), (56, 375780), (60, 350728), (70, 300624), (80, 263046), (84, 250520), (96, 219205), (105, 200416), (112, 187890), (120, 175364), (140, 150312), (160, 131523), (168, 125260), (210, 100208), (224, 93945), (240, 87682), (280, 75156), (336, 62630), (420, 50104), (480, 43841), (560, 37578), (672, 31315), (840, 25052), (1120, 18789), (1680, 12526), (3360, 6263)]