21519367044

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{487}}^1\times {\mathrm{75149}}^1$

素因数の和:75657

約数の個数: 72

約数和(自身を含む): 58530427200

約数和(自身を除く): 37011060156

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 487, 588, 974, 1461, 1948, 2922, 3409, 5844, 6818, 10227, 13636, 20454, 23863, 40908, 47726, 71589, 75149, 95452, 143178, 150298, 225447, 286356, 300596, 450894, 526043, 901788, 1052086, 1578129, 2104172, 3156258, 3682301, 6312516, 7364602, 11046903, 14729204, 22093806, 36597563, 44187612, 73195126, 109792689, 146390252, 219585378, 256182941, 439170756, 512365882, 768548823, 1024731764, 1537097646, 1793280587, 3074195292, 3586561174, 5379841761, 7173122348, 10759683522, 21519367044]

約数ペア:

[(1, 21519367044), (2, 10759683522), (3, 7173122348), (4, 5379841761), (6, 3586561174), (7, 3074195292), (12, 1793280587), (14, 1537097646), (21, 1024731764), (28, 768548823), (42, 512365882), (49, 439170756), (84, 256182941), (98, 219585378), (147, 146390252), (196, 109792689), (294, 73195126), (487, 44187612), (588, 36597563), (974, 22093806), (1461, 14729204), (1948, 11046903), (2922, 7364602), (3409, 6312516), (5844, 3682301), (6818, 3156258), (10227, 2104172), (13636, 1578129), (20454, 1052086), (23863, 901788), (40908, 526043), (47726, 450894), (71589, 300596), (75149, 286356), (95452, 225447), (143178, 150298)]