21690384

素因数分解:

$2^4\times 3^1\times {\mathrm{311}}^1\times {\mathrm{1453}}^1$

素因数の和:1775

約数の個数: 40

約数和(自身を含む): 56252352

約数和(自身を除く): 34561968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 311, 622, 933, 1244, 1453, 1866, 2488, 2906, 3732, 4359, 4976, 5812, 7464, 8718, 11624, 14928, 17436, 23248, 34872, 69744, 451883, 903766, 1355649, 1807532, 2711298, 3615064, 5422596, 7230128, 10845192, 21690384]

約数ペア:

[(1, 21690384), (2, 10845192), (3, 7230128), (4, 5422596), (6, 3615064), (8, 2711298), (12, 1807532), (16, 1355649), (24, 903766), (48, 451883), (311, 69744), (622, 34872), (933, 23248), (1244, 17436), (1453, 14928), (1866, 11624), (2488, 8718), (2906, 7464), (3732, 5812), (4359, 4976)]