21842095

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 29859840

約数和(自身を除く): 8017745

約数列:

[1, 5, 11, 53, 55, 59, 127, 265, 295, 583, 635, 649, 1397, 2915, 3127, 3245, 6731, 6985, 7493, 15635, 33655, 34397, 37465, 74041, 82423, 171985, 370205, 397129, 412115, 1985645, 4368419, 21842095]

約数ペア:

[(1, 21842095), (5, 4368419), (11, 1985645), (53, 412115), (55, 397129), (59, 370205), (127, 171985), (265, 82423), (295, 74041), (583, 37465), (635, 34397), (649, 33655), (1397, 15635), (2915, 7493), (3127, 6985), (3245, 6731)]