21357608

素因数分解:

$2^3\times {\mathrm{557}}^1\times {\mathrm{4793}}^1$

素因数の和:5356

約数の個数: 16

約数和(自身を含む): 40125780

約数和(自身を除く): 18768172

約数列:

[1, 2, 4, 8, 557, 1114, 2228, 4456, 4793, 9586, 19172, 38344, 2669701, 5339402, 10678804, 21357608]

約数ペア:

[(1, 21357608), (2, 10678804), (4, 5339402), (8, 2669701), (557, 38344), (1114, 19172), (2228, 9586), (4456, 4793)]