21031639197

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1\times {\mathrm{411007}}^1$

素因数の和:411508

約数の個数: 16

約数和(自身を含む): 28862625792

約数和(自身を除く): 7830986595

約数列:

[1, 3, 37, 111, 461, 1383, 17057, 51171, 411007, 1233021, 15207259, 45621777, 189474227, 568422681, 7010546399, 21031639197]

約数ペア:

[(1, 21031639197), (3, 7010546399), (37, 568422681), (111, 189474227), (461, 45621777), (1383, 15207259), (17057, 1233021), (51171, 411007)]