21761569364

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{2090047}}^1$

素因数の和:2090207

約数の個数: 24

約数和(自身を含む): 40379727360

約数和(自身を除く): 18618157996

約数列:

[1, 2, 4, 19, 38, 76, 137, 274, 548, 2603, 5206, 10412, 2090047, 4180094, 8360188, 39710893, 79421786, 158843572, 286336439, 572672878, 1145345756, 5440392341, 10880784682, 21761569364]

約数ペア:

[(1, 21761569364), (2, 10880784682), (4, 5440392341), (19, 1145345756), (38, 572672878), (76, 286336439), (137, 158843572), (274, 79421786), (548, 39710893), (2603, 8360188), (5206, 4180094), (10412, 2090047)]