20210820189

素因数分解:

$3^1\times 7^1\times {\mathrm{6689}}^1\times {\mathrm{143881}}^1$

素因数の和:150580

約数の個数: 16

約数和(自身を含む): 30802258560

約数和(自身を除く): 10591438371

約数列:

[1, 3, 7, 21, 6689, 20067, 46823, 140469, 143881, 431643, 1007167, 3021501, 962420009, 2887260027, 6736940063, 20210820189]

約数ペア:

[(1, 20210820189), (3, 6736940063), (7, 2887260027), (21, 962420009), (6689, 3021501), (20067, 1007167), (46823, 431643), (140469, 143881)]