21472527

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{839}}^1$

素因数の和:1310

約数の個数: 16

約数和(自身を含む): 30240000

約数和(自身を除く): 8767473

約数列:

[1, 3, 19, 57, 449, 839, 1347, 2517, 8531, 15941, 25593, 47823, 376711, 1130133, 7157509, 21472527]

約数ペア:

[(1, 21472527), (3, 7157509), (19, 1130133), (57, 376711), (449, 47823), (839, 25593), (1347, 15941), (2517, 8531)]