21041524

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 43868160

約数和(自身を除く): 22826636

約数列:

[1, 2, 4, 7, 14, 28, 47, 59, 94, 118, 188, 236, 271, 329, 413, 542, 658, 826, 1084, 1316, 1652, 1897, 2773, 3794, 5546, 7588, 11092, 12737, 15989, 19411, 25474, 31978, 38822, 50948, 63956, 77644, 89159, 111923, 178318, 223846, 356636, 447692, 751483, 1502966, 3005932, 5260381, 10520762, 21041524]

約数ペア:

[(1, 21041524), (2, 10520762), (4, 5260381), (7, 3005932), (14, 1502966), (28, 751483), (47, 447692), (59, 356636), (94, 223846), (118, 178318), (188, 111923), (236, 89159), (271, 77644), (329, 63956), (413, 50948), (542, 38822), (658, 31978), (826, 25474), (1084, 19411), (1316, 15989), (1652, 12737), (1897, 11092), (2773, 7588), (3794, 5546)]