21513173176

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1\times {\mathrm{8221}}^1$

素因数の和:8596

約数の個数: 64

約数和(自身を含む): 44540876160

約数和(自身を除く): 23027702984

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 131, 227, 262, 454, 524, 908, 1048, 1441, 1816, 2497, 2882, 4994, 5764, 8221, 9988, 11528, 16442, 19976, 29737, 32884, 59474, 65768, 90431, 118948, 180862, 237896, 327107, 361724, 654214, 723448, 1076951, 1308428, 1866167, 2153902, 2616856, 3732334, 4307804, 7464668, 8615608, 11846461, 14929336, 20527837, 23692922, 41055674, 47385844, 82111348, 94771688, 164222696, 244467877, 488935754, 977871508, 1955743016, 2689146647, 5378293294, 10756586588, 21513173176]

約数ペア:

[(1, 21513173176), (2, 10756586588), (4, 5378293294), (8, 2689146647), (11, 1955743016), (22, 977871508), (44, 488935754), (88, 244467877), (131, 164222696), (227, 94771688), (262, 82111348), (454, 47385844), (524, 41055674), (908, 23692922), (1048, 20527837), (1441, 14929336), (1816, 11846461), (2497, 8615608), (2882, 7464668), (4994, 4307804), (5764, 3732334), (8221, 2616856), (9988, 2153902), (11528, 1866167), (16442, 1308428), (19976, 1076951), (29737, 723448), (32884, 654214), (59474, 361724), (65768, 327107), (90431, 237896), (118948, 180862)]