21321610

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{383}}^1$

素因数の和:702

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 19320950

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 293, 383, 586, 766, 1465, 1915, 2930, 3830, 5567, 7277, 11134, 14554, 27835, 36385, 55670, 72770, 112219, 224438, 561095, 1122190, 2132161, 4264322, 10660805, 21321610]

約数ペア:

[(1, 21321610), (2, 10660805), (5, 4264322), (10, 2132161), (19, 1122190), (38, 561095), (95, 224438), (190, 112219), (293, 72770), (383, 55670), (586, 36385), (766, 27835), (1465, 14554), (1915, 11134), (2930, 7277), (3830, 5567)]