21179697

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{331}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 35441664

約数和(自身を除く): 14261967

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 277, 331, 831, 993, 1939, 2317, 3047, 3641, 5817, 6951, 9141, 10923, 21329, 25487, 63987, 76461, 91687, 275061, 641809, 1008557, 1925427, 3025671, 7059899, 21179697]

約数ペア:

[(1, 21179697), (3, 7059899), (7, 3025671), (11, 1925427), (21, 1008557), (33, 641809), (77, 275061), (231, 91687), (277, 76461), (331, 63987), (831, 25487), (993, 21329), (1939, 10923), (2317, 9141), (3047, 6951), (3641, 5817)]