21242494

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6143}}^1$

素因数の和:6184

約数の個数: 32

約数和(自身を含む): 41287680

約数和(自身を除く): 20045186

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 6143, 12286, 43001, 79859, 86002, 116717, 159718, 233434, 559013, 817019, 1118026, 1517321, 1634038, 3034642, 10621247, 21242494]

約数ペア:

[(1, 21242494), (2, 10621247), (7, 3034642), (13, 1634038), (14, 1517321), (19, 1118026), (26, 817019), (38, 559013), (91, 233434), (133, 159718), (182, 116717), (247, 86002), (266, 79859), (494, 43001), (1729, 12286), (3458, 6143)]