21175056

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{3001}}^1$

素因数の和:3029

約数の個数: 90

約数和(自身を含む): 68958942

約数和(自身を除く): 47783886

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 3001, 3528, 6002, 7056, 9003, 12004, 18006, 21007, 24008, 27009, 36012, 42014, 48016, 54018, 63021, 72024, 84028, 108036, 126042, 144048, 147049, 168056, 189063, 216072, 252084, 294098, 336112, 378126, 432144, 441147, 504168, 588196, 756252, 882294, 1008336, 1176392, 1323441, 1512504, 1764588, 2352784, 2646882, 3025008, 3529176, 5293764, 7058352, 10587528, 21175056]

約数ペア:

[(1, 21175056), (2, 10587528), (3, 7058352), (4, 5293764), (6, 3529176), (7, 3025008), (8, 2646882), (9, 2352784), (12, 1764588), (14, 1512504), (16, 1323441), (18, 1176392), (21, 1008336), (24, 882294), (28, 756252), (36, 588196), (42, 504168), (48, 441147), (49, 432144), (56, 378126), (63, 336112), (72, 294098), (84, 252084), (98, 216072), (112, 189063), (126, 168056), (144, 147049), (147, 144048), (168, 126042), (196, 108036), (252, 84028), (294, 72024), (336, 63021), (392, 54018), (441, 48016), (504, 42014), (588, 36012), (784, 27009), (882, 24008), (1008, 21007), (1176, 18006), (1764, 12004), (2352, 9003), (3001, 7056), (3528, 6002)]