21727108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21991}}^1$

素因数の和:22027

約数の個数: 24

約数和(自身を含む): 43104320

約数和(自身を除く): 21377212

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 21991, 43982, 87964, 285883, 417829, 571766, 835658, 1143532, 1671316, 5431777, 10863554, 21727108]

約数ペア:

[(1, 21727108), (2, 10863554), (4, 5431777), (13, 1671316), (19, 1143532), (26, 835658), (38, 571766), (52, 417829), (76, 285883), (247, 87964), (494, 43982), (988, 21991)]