21538314

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3637}}^1$

素因数の和:3699

約数の個数: 48

約数和(自身を含む): 54482688

約数和(自身を除く): 32944374

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 94, 126, 141, 282, 329, 423, 658, 846, 987, 1974, 2961, 3637, 5922, 7274, 10911, 21822, 25459, 32733, 50918, 65466, 76377, 152754, 170939, 229131, 341878, 458262, 512817, 1025634, 1196573, 1538451, 2393146, 3076902, 3589719, 7179438, 10769157, 21538314]

約数ペア:

[(1, 21538314), (2, 10769157), (3, 7179438), (6, 3589719), (7, 3076902), (9, 2393146), (14, 1538451), (18, 1196573), (21, 1025634), (42, 512817), (47, 458262), (63, 341878), (94, 229131), (126, 170939), (141, 152754), (282, 76377), (329, 65466), (423, 50918), (658, 32733), (846, 25459), (987, 21822), (1974, 10911), (2961, 7274), (3637, 5922)]