21079632

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1459}}^1$

素因数の和:1520

約数の個数: 80

約数和(自身を含む): 63726080

約数和(自身を除く): 42646448

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 43, 48, 56, 84, 86, 112, 129, 168, 172, 258, 301, 336, 344, 516, 602, 688, 903, 1032, 1204, 1459, 1806, 2064, 2408, 2918, 3612, 4377, 4816, 5836, 7224, 8754, 10213, 11672, 14448, 17508, 20426, 23344, 30639, 35016, 40852, 61278, 62737, 70032, 81704, 122556, 125474, 163408, 188211, 245112, 250948, 376422, 439159, 490224, 501896, 752844, 878318, 1003792, 1317477, 1505688, 1756636, 2634954, 3011376, 3513272, 5269908, 7026544, 10539816, 21079632]

約数ペア:

[(1, 21079632), (2, 10539816), (3, 7026544), (4, 5269908), (6, 3513272), (7, 3011376), (8, 2634954), (12, 1756636), (14, 1505688), (16, 1317477), (21, 1003792), (24, 878318), (28, 752844), (42, 501896), (43, 490224), (48, 439159), (56, 376422), (84, 250948), (86, 245112), (112, 188211), (129, 163408), (168, 125474), (172, 122556), (258, 81704), (301, 70032), (336, 62737), (344, 61278), (516, 40852), (602, 35016), (688, 30639), (903, 23344), (1032, 20426), (1204, 17508), (1459, 14448), (1806, 11672), (2064, 10213), (2408, 8754), (2918, 7224), (3612, 5836), (4377, 4816)]