21556934974088

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{947}}^1\times {\mathrm{8839}}^1\times {\mathrm{16943}}^1$

素因数の和:26754

約数の個数: 64

約数和(自身を含む): 42598842624000

約数和(自身を除く): 21041907649912

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 947, 1894, 3788, 7576, 8839, 16943, 17678, 17993, 33886, 35356, 35986, 67772, 70712, 71972, 135544, 143944, 167941, 321917, 335882, 643834, 671764, 1287668, 1343528, 2575336, 8370533, 16045021, 16741066, 32090042, 33482132, 64180084, 66964264, 128360168, 149759177, 159040127, 299518354, 304855399, 318080254, 599036708, 609710798, 636160508, 1198073416, 1219421596, 1272321016, 2438843192, 2845424363, 5690848726, 11381697452, 22763394904, 141821940619, 283643881238, 567287762476, 1134575524952, 2694616871761, 5389233743522, 10778467487044, 21556934974088]

約数ペア:

[(1, 21556934974088), (2, 10778467487044), (4, 5389233743522), (8, 2694616871761), (19, 1134575524952), (38, 567287762476), (76, 283643881238), (152, 141821940619), (947, 22763394904), (1894, 11381697452), (3788, 5690848726), (7576, 2845424363), (8839, 2438843192), (16943, 1272321016), (17678, 1219421596), (17993, 1198073416), (33886, 636160508), (35356, 609710798), (35986, 599036708), (67772, 318080254), (70712, 304855399), (71972, 299518354), (135544, 159040127), (143944, 149759177), (167941, 128360168), (321917, 66964264), (335882, 64180084), (643834, 33482132), (671764, 32090042), (1287668, 16741066), (1343528, 16045021), (2575336, 8370533)]