21677160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4201}}^1$

素因数の和:4258

約数の個数: 64

約数和(自身を含む): 66559680

約数和(自身を除く): 44882520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 4201, 5160, 8402, 12603, 16804, 21005, 25206, 33608, 42010, 50412, 63015, 84020, 100824, 126030, 168040, 180643, 252060, 361286, 504120, 541929, 722572, 903215, 1083858, 1445144, 1806430, 2167716, 2709645, 3612860, 4335432, 5419290, 7225720, 10838580, 21677160]

約数ペア:

[(1, 21677160), (2, 10838580), (3, 7225720), (4, 5419290), (5, 4335432), (6, 3612860), (8, 2709645), (10, 2167716), (12, 1806430), (15, 1445144), (20, 1083858), (24, 903215), (30, 722572), (40, 541929), (43, 504120), (60, 361286), (86, 252060), (120, 180643), (129, 168040), (172, 126030), (215, 100824), (258, 84020), (344, 63015), (430, 50412), (516, 42010), (645, 33608), (860, 25206), (1032, 21005), (1290, 16804), (1720, 12603), (2580, 8402), (4201, 5160)]