21020303361

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{37907}}^1$

素因数の和:38141

約数の個数: 32

約数和(自身を含む): 30263321088

約数和(自身を除く): 9243017727

約数列:

[1, 3, 17, 51, 83, 131, 249, 393, 1411, 2227, 4233, 6681, 10873, 32619, 37907, 113721, 184841, 554523, 644419, 1933257, 3146281, 4965817, 9438843, 14897451, 53486777, 84418889, 160460331, 253256667, 412162811, 1236488433, 7006767787, 21020303361]

約数ペア:

[(1, 21020303361), (3, 7006767787), (17, 1236488433), (51, 412162811), (83, 253256667), (131, 160460331), (249, 84418889), (393, 53486777), (1411, 14897451), (2227, 9438843), (4233, 4965817), (6681, 3146281), (10873, 1933257), (32619, 644419), (37907, 554523), (113721, 184841)]