21167458

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{15361}}^1$

素因数の和:15429

約数の個数: 16

約数和(自身を含む): 34841016

約数和(自身を除く): 13673558

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 15361, 30722, 199693, 399386, 814133, 1628266, 10583729, 21167458]

約数ペア:

[(1, 21167458), (2, 10583729), (13, 1628266), (26, 814133), (53, 399386), (106, 199693), (689, 30722), (1378, 15361)]