21714858

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 31507542

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 139, 198, 263, 278, 297, 417, 526, 594, 789, 834, 1251, 1529, 1578, 2367, 2502, 2893, 3058, 3753, 4587, 4734, 5786, 7101, 7506, 8679, 9174, 13761, 14202, 17358, 26037, 27522, 36557, 41283, 52074, 73114, 78111, 82566, 109671, 156222, 219342, 329013, 402127, 658026, 804254, 987039, 1206381, 1974078, 2412762, 3619143, 7238286, 10857429, 21714858]

約数ペア:

[(1, 21714858), (2, 10857429), (3, 7238286), (6, 3619143), (9, 2412762), (11, 1974078), (18, 1206381), (22, 987039), (27, 804254), (33, 658026), (54, 402127), (66, 329013), (99, 219342), (139, 156222), (198, 109671), (263, 82566), (278, 78111), (297, 73114), (417, 52074), (526, 41283), (594, 36557), (789, 27522), (834, 26037), (1251, 17358), (1529, 14202), (1578, 13761), (2367, 9174), (2502, 8679), (2893, 7506), (3058, 7101), (3753, 5786), (4587, 4734)]