21811468

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5857}}^1$

素因数の和:5894

約数の個数: 36

約数和(自身を含む): 46746840

約数和(自身を除く): 24935372

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5857, 11714, 23428, 40999, 81998, 111283, 163996, 222566, 286993, 445132, 573986, 778981, 1147972, 1557962, 3115924, 5452867, 10905734, 21811468]

約数ペア:

[(1, 21811468), (2, 10905734), (4, 5452867), (7, 3115924), (14, 1557962), (19, 1147972), (28, 778981), (38, 573986), (49, 445132), (76, 286993), (98, 222566), (133, 163996), (196, 111283), (266, 81998), (532, 40999), (931, 23428), (1862, 11714), (3724, 5857)]