21170297344

素因数分解:

$2^9\times 7^1\times {\mathrm{19}}^1\times {\mathrm{310889}}^1$

素因数の和:310933

約数の個数: 80

約数和(自身を含む): 50886475200

約数和(自身を除く): 29716177856

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 256, 266, 304, 448, 512, 532, 608, 896, 1064, 1216, 1792, 2128, 2432, 3584, 4256, 4864, 8512, 9728, 17024, 34048, 68096, 310889, 621778, 1243556, 2176223, 2487112, 4352446, 4974224, 5906891, 8704892, 9948448, 11813782, 17409784, 19896896, 23627564, 34819568, 39793792, 41348237, 47255128, 69639136, 79587584, 82696474, 94510256, 139278272, 159175168, 165392948, 189020512, 278556544, 330785896, 378041024, 557113088, 661571792, 756082048, 1114226176, 1323143584, 1512164096, 2646287168, 3024328192, 5292574336, 10585148672, 21170297344]

約数ペア:

[(1, 21170297344), (2, 10585148672), (4, 5292574336), (7, 3024328192), (8, 2646287168), (14, 1512164096), (16, 1323143584), (19, 1114226176), (28, 756082048), (32, 661571792), (38, 557113088), (56, 378041024), (64, 330785896), (76, 278556544), (112, 189020512), (128, 165392948), (133, 159175168), (152, 139278272), (224, 94510256), (256, 82696474), (266, 79587584), (304, 69639136), (448, 47255128), (512, 41348237), (532, 39793792), (608, 34819568), (896, 23627564), (1064, 19896896), (1216, 17409784), (1792, 11813782), (2128, 9948448), (2432, 8704892), (3584, 5906891), (4256, 4974224), (4864, 4352446), (8512, 2487112), (9728, 2176223), (17024, 1243556), (34048, 621778), (68096, 310889)]