21288852

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:342

約数の個数: 96

約数和(自身を含む): 60681600

約数和(自身を除く): 39392748

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 59, 78, 108, 117, 118, 156, 177, 234, 236, 257, 351, 354, 468, 514, 531, 702, 708, 767, 771, 1028, 1062, 1404, 1534, 1542, 1593, 2124, 2301, 2313, 3068, 3084, 3186, 3341, 4602, 4626, 6372, 6682, 6903, 6939, 9204, 9252, 10023, 13364, 13806, 13878, 15163, 20046, 20709, 27612, 27756, 30069, 30326, 40092, 41418, 45489, 60138, 60652, 82836, 90207, 90978, 120276, 136467, 180414, 181956, 197119, 272934, 360828, 394238, 409401, 545868, 591357, 788476, 818802, 1182714, 1637604, 1774071, 2365428, 3548142, 5322213, 7096284, 10644426, 21288852]

約数ペア:

[(1, 21288852), (2, 10644426), (3, 7096284), (4, 5322213), (6, 3548142), (9, 2365428), (12, 1774071), (13, 1637604), (18, 1182714), (26, 818802), (27, 788476), (36, 591357), (39, 545868), (52, 409401), (54, 394238), (59, 360828), (78, 272934), (108, 197119), (117, 181956), (118, 180414), (156, 136467), (177, 120276), (234, 90978), (236, 90207), (257, 82836), (351, 60652), (354, 60138), (468, 45489), (514, 41418), (531, 40092), (702, 30326), (708, 30069), (767, 27756), (771, 27612), (1028, 20709), (1062, 20046), (1404, 15163), (1534, 13878), (1542, 13806), (1593, 13364), (2124, 10023), (2301, 9252), (2313, 9204), (3068, 6939), (3084, 6903), (3186, 6682), (3341, 6372), (4602, 4626)]