21361418

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1622

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 16378102

約数列:

[1, 2, 13, 17, 26, 31, 34, 62, 221, 403, 442, 527, 806, 1054, 1559, 3118, 6851, 13702, 20267, 26503, 40534, 48329, 53006, 96658, 344539, 628277, 689078, 821593, 1256554, 1643186, 10680709, 21361418]

約数ペア:

[(1, 21361418), (2, 10680709), (13, 1643186), (17, 1256554), (26, 821593), (31, 689078), (34, 628277), (62, 344539), (221, 96658), (403, 53006), (442, 48329), (527, 40534), (806, 26503), (1054, 20267), (1559, 13702), (3118, 6851)]