21401098

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{8419}}^1$

素因数の和:8493

約数の個数: 16

約数和(自身を含む): 33949440

約数和(自身を除く): 12548342

約数列:

[1, 2, 31, 41, 62, 82, 1271, 2542, 8419, 16838, 260989, 345179, 521978, 690358, 10700549, 21401098]

約数ペア:

[(1, 21401098), (2, 10700549), (31, 690358), (41, 521978), (62, 345179), (82, 260989), (1271, 16838), (2542, 8419)]