21084032

素因数分解:

$2^7\times {\mathrm{127}}^1\times {\mathrm{1297}}^1$

素因数の和:1438

約数の個数: 32

約数和(自身を含む): 42366720

約数和(自身を除く): 21282688

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 508, 1016, 1297, 2032, 2594, 4064, 5188, 8128, 10376, 16256, 20752, 41504, 83008, 164719, 166016, 329438, 658876, 1317752, 2635504, 5271008, 10542016, 21084032]

約数ペア:

[(1, 21084032), (2, 10542016), (4, 5271008), (8, 2635504), (16, 1317752), (32, 658876), (64, 329438), (127, 166016), (128, 164719), (254, 83008), (508, 41504), (1016, 20752), (1297, 16256), (2032, 10376), (2594, 8128), (4064, 5188)]