21787672719

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{113}}^1\times {\mathrm{222389}}^1$

素因数の和:222539

約数の個数: 24

約数和(自身を含む): 31132820880

約数和(自身を除く): 9345148161

約数列:

[1, 3, 17, 51, 113, 289, 339, 867, 1921, 5763, 32657, 97971, 222389, 667167, 3780613, 11341839, 25129957, 64270421, 75389871, 192811263, 427209269, 1281627807, 7262557573, 21787672719]

約数ペア:

[(1, 21787672719), (3, 7262557573), (17, 1281627807), (51, 427209269), (113, 192811263), (289, 75389871), (339, 64270421), (867, 25129957), (1921, 11341839), (5763, 3780613), (32657, 667167), (97971, 222389)]