21087920595

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{412397}}^1$

素因数の和:412899

約数の個数: 32

約数和(自身を含む): 38640043008

約数和(自身を除く): 17552122413

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 487, 1461, 2435, 3409, 7305, 10227, 17045, 51135, 412397, 1237191, 2061985, 2886779, 6185955, 8660337, 14433895, 43301685, 200837339, 602512017, 1004186695, 1405861373, 3012560085, 4217584119, 7029306865, 21087920595]

約数ペア:

[(1, 21087920595), (3, 7029306865), (5, 4217584119), (7, 3012560085), (15, 1405861373), (21, 1004186695), (35, 602512017), (105, 200837339), (487, 43301685), (1461, 14433895), (2435, 8660337), (3409, 6185955), (7305, 2886779), (10227, 2061985), (17045, 1237191), (51135, 412397)]