21463795978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{2663}}^1$

素因数の和:2911

約数の個数: 64

約数和(自身を含む): 36079084800

約数和(自身を除く): 14615288822

約数列:

[1, 2, 17, 34, 37, 43, 74, 86, 149, 298, 629, 731, 1258, 1462, 1591, 2533, 2663, 3182, 5066, 5326, 5513, 6407, 11026, 12814, 27047, 45271, 54094, 90542, 93721, 98531, 108919, 114509, 187442, 197062, 217838, 229018, 237059, 396787, 474118, 793574, 1675027, 1946653, 3350054, 3893306, 4030003, 4236833, 6745379, 8060006, 8473666, 13490758, 14681119, 17061841, 29362238, 34123682, 72026161, 144052322, 249579023, 290051297, 499158046, 580102594, 631288117, 1262576234, 10731897989, 21463795978]

約数ペア:

[(1, 21463795978), (2, 10731897989), (17, 1262576234), (34, 631288117), (37, 580102594), (43, 499158046), (74, 290051297), (86, 249579023), (149, 144052322), (298, 72026161), (629, 34123682), (731, 29362238), (1258, 17061841), (1462, 14681119), (1591, 13490758), (2533, 8473666), (2663, 8060006), (3182, 6745379), (5066, 4236833), (5326, 4030003), (5513, 3893306), (6407, 3350054), (11026, 1946653), (12814, 1675027), (27047, 793574), (45271, 474118), (54094, 396787), (90542, 237059), (93721, 229018), (98531, 217838), (108919, 197062), (114509, 187442)]