21545035

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{5393}}^1$

素因数の和:5462

約数の個数: 16

約数和(自身を含む): 27962496

約数和(自身を除く): 6417461

約数列:

[1, 5, 17, 47, 85, 235, 799, 3995, 5393, 26965, 91681, 253471, 458405, 1267355, 4309007, 21545035]

約数ペア:

[(1, 21545035), (5, 4309007), (17, 1267355), (47, 458405), (85, 253471), (235, 91681), (799, 26965), (3995, 5393)]