21503352

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^3$

素因数の和:145

約数の個数: 64

約数和(自身を含む): 59340960

約数和(自身を除く): 37837608

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 41, 52, 78, 82, 104, 123, 156, 164, 246, 312, 328, 492, 533, 984, 1066, 1599, 1681, 2132, 3198, 3362, 4264, 5043, 6396, 6724, 10086, 12792, 13448, 20172, 21853, 40344, 43706, 65559, 68921, 87412, 131118, 137842, 174824, 206763, 262236, 275684, 413526, 524472, 551368, 827052, 895973, 1654104, 1791946, 2687919, 3583892, 5375838, 7167784, 10751676, 21503352]

約数ペア:

[(1, 21503352), (2, 10751676), (3, 7167784), (4, 5375838), (6, 3583892), (8, 2687919), (12, 1791946), (13, 1654104), (24, 895973), (26, 827052), (39, 551368), (41, 524472), (52, 413526), (78, 275684), (82, 262236), (104, 206763), (123, 174824), (156, 137842), (164, 131118), (246, 87412), (312, 68921), (328, 65559), (492, 43706), (533, 40344), (984, 21853), (1066, 20172), (1599, 13448), (1681, 12792), (2132, 10086), (3198, 6724), (3362, 6396), (4264, 5043)]