21037942

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{6379}}^1$

素因数の和:6495

約数の個数: 16

約数和(自身を含む): 33762960

約数和(自身を除く): 12725018

約数列:

[1, 2, 17, 34, 97, 194, 1649, 3298, 6379, 12758, 108443, 216886, 618763, 1237526, 10518971, 21037942]

約数ペア:

[(1, 21037942), (2, 10518971), (17, 1237526), (34, 618763), (97, 216886), (194, 108443), (1649, 12758), (3298, 6379)]