21080102019

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1\times {\mathrm{671063}}^1$

素因数の和:671386

約数の個数: 16

約数和(自身を含む): 28968490752

約数和(自身を除く): 7888388733

約数列:

[1, 3, 37, 111, 283, 849, 10471, 31413, 671063, 2013189, 24829331, 74487993, 189910829, 569732487, 7026700673, 21080102019]

約数ペア:

[(1, 21080102019), (3, 7026700673), (37, 569732487), (111, 189910829), (283, 74487993), (849, 24829331), (10471, 2013189), (31413, 671063)]