21019206

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1091}}^1$

素因数の和:1141

約数の個数: 48

約数和(自身を含む): 47960640

約数和(自身を除く): 26941434

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 169, 247, 338, 494, 507, 741, 1014, 1091, 1482, 2182, 3211, 3273, 6422, 6546, 9633, 14183, 19266, 20729, 28366, 41458, 42549, 62187, 85098, 124374, 184379, 269477, 368758, 538954, 553137, 808431, 1106274, 1616862, 3503201, 7006402, 10509603, 21019206]

約数ペア:

[(1, 21019206), (2, 10509603), (3, 7006402), (6, 3503201), (13, 1616862), (19, 1106274), (26, 808431), (38, 553137), (39, 538954), (57, 368758), (78, 269477), (114, 184379), (169, 124374), (247, 85098), (338, 62187), (494, 42549), (507, 41458), (741, 28366), (1014, 20729), (1091, 19266), (1482, 14183), (2182, 9633), (3211, 6546), (3273, 6422)]