21564156957

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{60403801}}^1$

素因数の和:60403828

約数の個数: 16

約数和(自身を含む): 34792589952

約数和(自身を除く): 13228432995

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 60403801, 181211403, 422826607, 1026864617, 1268479821, 3080593851, 7188052319, 21564156957]

約数ペア:

[(1, 21564156957), (3, 7188052319), (7, 3080593851), (17, 1268479821), (21, 1026864617), (51, 422826607), (119, 181211403), (357, 60403801)]