21478094

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51383}}^1$

素因数の和:51415

約数の個数: 16

約数和(自身を含む): 36996480

約数和(自身を除く): 15518386

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51383, 102766, 565213, 976277, 1130426, 1952554, 10739047, 21478094]

約数ペア:

[(1, 21478094), (2, 10739047), (11, 1952554), (19, 1130426), (22, 976277), (38, 565213), (209, 102766), (418, 51383)]