21280002

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{1279}}^1$

素因数の和:1390

約数の個数: 32

約数和(自身を含む): 44236800

約数和(自身を除く): 22956798

約数列:

[1, 2, 3, 6, 47, 59, 94, 118, 141, 177, 282, 354, 1279, 2558, 2773, 3837, 5546, 7674, 8319, 16638, 60113, 75461, 120226, 150922, 180339, 226383, 360678, 452766, 3546667, 7093334, 10640001, 21280002]

約数ペア:

[(1, 21280002), (2, 10640001), (3, 7093334), (6, 3546667), (47, 452766), (59, 360678), (94, 226383), (118, 180339), (141, 150922), (177, 120226), (282, 75461), (354, 60113), (1279, 16638), (2558, 8319), (2773, 7674), (3837, 5546)]