21841716

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7369}}^1$

素因数の和:7408

約数の個数: 48

約数和(自身を含む): 57780800

約数和(自身を除く): 35939084

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 7369, 14738, 22107, 29476, 44214, 88428, 95797, 140011, 191594, 280022, 287391, 383188, 420033, 560044, 574782, 840066, 1149564, 1680132, 1820143, 3640286, 5460429, 7280572, 10920858, 21841716]

約数ペア:

[(1, 21841716), (2, 10920858), (3, 7280572), (4, 5460429), (6, 3640286), (12, 1820143), (13, 1680132), (19, 1149564), (26, 840066), (38, 574782), (39, 560044), (52, 420033), (57, 383188), (76, 287391), (78, 280022), (114, 191594), (156, 140011), (228, 95797), (247, 88428), (494, 44214), (741, 29476), (988, 22107), (1482, 14738), (2964, 7369)]