21370934

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43261}}^1$

素因数の和:43295

約数の個数: 16

約数和(自身を含む): 36340080

約数和(自身を除く): 14969146

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 43261, 86522, 562393, 821959, 1124786, 1643918, 10685467, 21370934]

約数ペア:

[(1, 21370934), (2, 10685467), (13, 1643918), (19, 1124786), (26, 821959), (38, 562393), (247, 86522), (494, 43261)]