21070354

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{5087}}^1$

素因数の和:5217

約数の個数: 16

約数和(自身を含む): 33580800

約数和(自身を除く): 12510446

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 5087, 10174, 96653, 193306, 554483, 1108966, 10535177, 21070354]

約数ペア:

[(1, 21070354), (2, 10535177), (19, 1108966), (38, 554483), (109, 193306), (218, 96653), (2071, 10174), (4142, 5087)]