21068682

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 45427392

約数和(自身を除く): 24358710

約数列:

[1, 2, 3, 6, 19, 38, 57, 71, 114, 137, 142, 213, 274, 361, 411, 426, 722, 822, 1083, 1349, 2166, 2603, 2698, 4047, 5206, 7809, 8094, 9727, 15618, 19454, 25631, 29181, 49457, 51262, 58362, 76893, 98914, 148371, 153786, 184813, 296742, 369626, 554439, 1108878, 3511447, 7022894, 10534341, 21068682]

約数ペア:

[(1, 21068682), (2, 10534341), (3, 7022894), (6, 3511447), (19, 1108878), (38, 554439), (57, 369626), (71, 296742), (114, 184813), (137, 153786), (142, 148371), (213, 98914), (274, 76893), (361, 58362), (411, 51262), (426, 49457), (722, 29181), (822, 25631), (1083, 19454), (1349, 15618), (2166, 9727), (2603, 8094), (2698, 7809), (4047, 5206)]