21318693231

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1579}}^1\times {\mathrm{4597}}^1$

素因数の和:6279

約数の個数: 32

約数和(自身を含む): 31384108800

約数和(自身を除く): 10065415569

約数列:

[1, 3, 11, 33, 89, 267, 979, 1579, 2937, 4597, 4737, 13791, 17369, 50567, 52107, 140531, 151701, 409133, 421593, 1227399, 1545841, 4500463, 4637523, 7258663, 13501389, 21775989, 79845293, 239535879, 646021007, 1938063021, 7106231077, 21318693231]

約数ペア:

[(1, 21318693231), (3, 7106231077), (11, 1938063021), (33, 646021007), (89, 239535879), (267, 79845293), (979, 21775989), (1579, 13501389), (2937, 7258663), (4597, 4637523), (4737, 4500463), (13791, 1545841), (17369, 1227399), (50567, 421593), (52107, 409133), (140531, 151701)]