21169568

素因数分解:

$2^5\times 7^2\times {\mathrm{23}}^1\times {\mathrm{587}}^1$

素因数の和:634

約数の個数: 72

約数和(自身を含む): 50676192

約数和(自身を除く): 29506624

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 92, 98, 112, 161, 184, 196, 224, 322, 368, 392, 587, 644, 736, 784, 1127, 1174, 1288, 1568, 2254, 2348, 2576, 4109, 4508, 4696, 5152, 8218, 9016, 9392, 13501, 16436, 18032, 18784, 27002, 28763, 32872, 36064, 54004, 57526, 65744, 94507, 108008, 115052, 131488, 189014, 216016, 230104, 378028, 432032, 460208, 661549, 756056, 920416, 1323098, 1512112, 2646196, 3024224, 5292392, 10584784, 21169568]

約数ペア:

[(1, 21169568), (2, 10584784), (4, 5292392), (7, 3024224), (8, 2646196), (14, 1512112), (16, 1323098), (23, 920416), (28, 756056), (32, 661549), (46, 460208), (49, 432032), (56, 378028), (92, 230104), (98, 216016), (112, 189014), (161, 131488), (184, 115052), (196, 108008), (224, 94507), (322, 65744), (368, 57526), (392, 54004), (587, 36064), (644, 32872), (736, 28763), (784, 27002), (1127, 18784), (1174, 18032), (1288, 16436), (1568, 13501), (2254, 9392), (2348, 9016), (2576, 8218), (4109, 5152), (4508, 4696)]