21137714

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 14424526

約数列:

[1, 2, 13, 26, 41, 79, 82, 158, 251, 502, 533, 1027, 1066, 2054, 3239, 3263, 6478, 6526, 10291, 19829, 20582, 39658, 42107, 84214, 133783, 257777, 267566, 515554, 812989, 1625978, 10568857, 21137714]

約数ペア:

[(1, 21137714), (2, 10568857), (13, 1625978), (26, 812989), (41, 515554), (79, 267566), (82, 257777), (158, 133783), (251, 84214), (502, 42107), (533, 39658), (1027, 20582), (1066, 19829), (2054, 10291), (3239, 6526), (3263, 6478)]