21859266

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 52214400

約数和(自身を除く): 30355134

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 73, 78, 143, 146, 219, 286, 349, 429, 438, 698, 803, 858, 949, 1047, 1606, 1898, 2094, 2409, 2847, 3839, 4537, 4818, 5694, 7678, 9074, 10439, 11517, 13611, 20878, 23034, 25477, 27222, 31317, 49907, 50954, 62634, 76431, 99814, 149721, 152862, 280247, 299442, 331201, 560494, 662402, 840741, 993603, 1681482, 1987206, 3643211, 7286422, 10929633, 21859266]

約数ペア:

[(1, 21859266), (2, 10929633), (3, 7286422), (6, 3643211), (11, 1987206), (13, 1681482), (22, 993603), (26, 840741), (33, 662402), (39, 560494), (66, 331201), (73, 299442), (78, 280247), (143, 152862), (146, 149721), (219, 99814), (286, 76431), (349, 62634), (429, 50954), (438, 49907), (698, 31317), (803, 27222), (858, 25477), (949, 23034), (1047, 20878), (1606, 13611), (1898, 11517), (2094, 10439), (2409, 9074), (2847, 7678), (3839, 5694), (4537, 4818)]