1621337406

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{20786377}}^1$

素因数の和:20786395

約数の個数: 16

約数和(自身を含む): 3492111504

約数和(自身を除く): 1870774098

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 20786377, 41572754, 62359131, 124718262, 270222901, 540445802, 810668703, 1621337406]

約数ペア:

[(1, 1621337406), (2, 810668703), (3, 540445802), (6, 270222901), (13, 124718262), (26, 62359131), (39, 41572754), (78, 20786377)]