21087396

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:182

約数の個数: 108

約数和(自身を含む): 60418176

約数和(自身を除く): 39330780

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 47, 66, 94, 99, 103, 121, 132, 141, 188, 198, 206, 242, 282, 309, 363, 396, 412, 423, 484, 517, 564, 618, 726, 846, 927, 1034, 1089, 1133, 1236, 1452, 1551, 1692, 1854, 2068, 2178, 2266, 3102, 3399, 3708, 4356, 4532, 4653, 4841, 5687, 6204, 6798, 9306, 9682, 10197, 11374, 12463, 13596, 14523, 17061, 18612, 19364, 20394, 22748, 24926, 29046, 34122, 37389, 40788, 43569, 49852, 51183, 53251, 58092, 68244, 74778, 87138, 102366, 106502, 112167, 149556, 159753, 174276, 204732, 213004, 224334, 319506, 448668, 479259, 585761, 639012, 958518, 1171522, 1757283, 1917036, 2343044, 3514566, 5271849, 7029132, 10543698, 21087396]

約数ペア:

[(1, 21087396), (2, 10543698), (3, 7029132), (4, 5271849), (6, 3514566), (9, 2343044), (11, 1917036), (12, 1757283), (18, 1171522), (22, 958518), (33, 639012), (36, 585761), (44, 479259), (47, 448668), (66, 319506), (94, 224334), (99, 213004), (103, 204732), (121, 174276), (132, 159753), (141, 149556), (188, 112167), (198, 106502), (206, 102366), (242, 87138), (282, 74778), (309, 68244), (363, 58092), (396, 53251), (412, 51183), (423, 49852), (484, 43569), (517, 40788), (564, 37389), (618, 34122), (726, 29046), (846, 24926), (927, 22748), (1034, 20394), (1089, 19364), (1133, 18612), (1236, 17061), (1452, 14523), (1551, 13596), (1692, 12463), (1854, 11374), (2068, 10197), (2178, 9682), (2266, 9306), (3102, 6798), (3399, 6204), (3708, 5687), (4356, 4841), (4532, 4653)]