21318784

素因数分解:

$2^7\times {\mathrm{151}}^1\times {\mathrm{1103}}^1$

素因数の和:1268

約数の個数: 32

約数和(自身を含む): 42791040

約数和(自身を除く): 21472256

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 151, 302, 604, 1103, 1208, 2206, 2416, 4412, 4832, 8824, 9664, 17648, 19328, 35296, 70592, 141184, 166553, 333106, 666212, 1332424, 2664848, 5329696, 10659392, 21318784]

約数ペア:

[(1, 21318784), (2, 10659392), (4, 5329696), (8, 2664848), (16, 1332424), (32, 666212), (64, 333106), (128, 166553), (151, 141184), (302, 70592), (604, 35296), (1103, 19328), (1208, 17648), (2206, 9664), (2416, 8824), (4412, 4832)]