21473426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{19207}}^1$

素因数の和:19265

約数の個数: 16

約数和(自身を含む): 35496384

約数和(自身を除く): 14022958

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 19207, 38414, 249691, 499382, 825901, 1651802, 10736713, 21473426]

約数ペア:

[(1, 21473426), (2, 10736713), (13, 1651802), (26, 825901), (43, 499382), (86, 249691), (559, 38414), (1118, 19207)]