21683172

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{881}}^1$

素因数の和:1188

約数の個数: 48

約数和(自身を含む): 58084992

約数和(自身を除く): 36401820

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 293, 586, 879, 881, 1172, 1758, 1762, 2051, 2643, 3516, 3524, 4102, 5286, 6153, 6167, 8204, 10572, 12306, 12334, 18501, 24612, 24668, 37002, 74004, 258133, 516266, 774399, 1032532, 1548798, 1806931, 3097596, 3613862, 5420793, 7227724, 10841586, 21683172]

約数ペア:

[(1, 21683172), (2, 10841586), (3, 7227724), (4, 5420793), (6, 3613862), (7, 3097596), (12, 1806931), (14, 1548798), (21, 1032532), (28, 774399), (42, 516266), (84, 258133), (293, 74004), (586, 37002), (879, 24668), (881, 24612), (1172, 18501), (1758, 12334), (1762, 12306), (2051, 10572), (2643, 8204), (3516, 6167), (3524, 6153), (4102, 5286)]