21894181

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:612

約数の個数: 16

約数和(自身を含む): 24159168

約数和(自身を除く): 2264987

約数列:

[1, 17, 43, 61, 491, 731, 1037, 2623, 8347, 21113, 29951, 44591, 358921, 509167, 1287893, 21894181]

約数ペア:

[(1, 21894181), (17, 1287893), (43, 509167), (61, 358921), (491, 44591), (731, 29951), (1037, 21113), (2623, 8347)]