21802118

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{19501}}^1$

素因数の和:19559

約数の個数: 16

約数和(自身を含む): 36039696

約数和(自身を除く): 14237578

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 19501, 39002, 253513, 507026, 838543, 1677086, 10901059, 21802118]

約数ペア:

[(1, 21802118), (2, 10901059), (13, 1677086), (26, 838543), (43, 507026), (86, 253513), (559, 39002), (1118, 19501)]