21582054

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{619}}^1$

素因数の和:789

約数の個数: 48

約数和(自身を含む): 50778000

約数和(自身を除く): 29195946

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 149, 234, 298, 447, 619, 894, 1238, 1341, 1857, 1937, 2682, 3714, 3874, 5571, 5811, 8047, 11142, 11622, 16094, 17433, 24141, 34866, 48282, 72423, 92231, 144846, 184462, 276693, 553386, 830079, 1199003, 1660158, 2398006, 3597009, 7194018, 10791027, 21582054]

約数ペア:

[(1, 21582054), (2, 10791027), (3, 7194018), (6, 3597009), (9, 2398006), (13, 1660158), (18, 1199003), (26, 830079), (39, 553386), (78, 276693), (117, 184462), (149, 144846), (234, 92231), (298, 72423), (447, 48282), (619, 34866), (894, 24141), (1238, 17433), (1341, 16094), (1857, 11622), (1937, 11142), (2682, 8047), (3714, 5811), (3874, 5571)]