21545760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{44887}}^1$

素因数の和:44905

約数の個数: 48

約数和(自身を含む): 67870656

約数和(自身を除く): 46324896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 44887, 89774, 134661, 179548, 224435, 269322, 359096, 448870, 538644, 673305, 718192, 897740, 1077288, 1346610, 1436384, 1795480, 2154576, 2693220, 3590960, 4309152, 5386440, 7181920, 10772880, 21545760]

約数ペア:

[(1, 21545760), (2, 10772880), (3, 7181920), (4, 5386440), (5, 4309152), (6, 3590960), (8, 2693220), (10, 2154576), (12, 1795480), (15, 1436384), (16, 1346610), (20, 1077288), (24, 897740), (30, 718192), (32, 673305), (40, 538644), (48, 448870), (60, 359096), (80, 269322), (96, 224435), (120, 179548), (160, 134661), (240, 89774), (480, 44887)]