21335008

素因数分解:

$2^5\times {\mathrm{103}}^1\times {\mathrm{6473}}^1$

素因数の和:6586

約数の個数: 24

約数和(自身を含む): 42417648

約数和(自身を除く): 21082640

約数列:

[1, 2, 4, 8, 16, 32, 103, 206, 412, 824, 1648, 3296, 6473, 12946, 25892, 51784, 103568, 207136, 666719, 1333438, 2666876, 5333752, 10667504, 21335008]

約数ペア:

[(1, 21335008), (2, 10667504), (4, 5333752), (8, 2666876), (16, 1333438), (32, 666719), (103, 207136), (206, 103568), (412, 51784), (824, 25892), (1648, 12946), (3296, 6473)]