21918742

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{6481}}^1$

素因数の和:6591

約数の個数: 16

約数和(自身を含む): 35002800

約数和(自身を除く): 13084058

約数列:

[1, 2, 19, 38, 89, 178, 1691, 3382, 6481, 12962, 123139, 246278, 576809, 1153618, 10959371, 21918742]

約数ペア:

[(1, 21918742), (2, 10959371), (19, 1153618), (38, 576809), (89, 246278), (178, 123139), (1691, 12962), (3382, 6481)]