21186957

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{33791}}^1$

素因数の和:33824

約数の個数: 16

約数和(自身を含む): 32440320

約数和(自身を除く): 11253363

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 33791, 101373, 371701, 642029, 1115103, 1926087, 7062319, 21186957]

約数ペア:

[(1, 21186957), (3, 7062319), (11, 1926087), (19, 1115103), (33, 642029), (57, 371701), (209, 101373), (627, 33791)]