21785270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1483}}^1$

素因数の和:1616

約数の個数: 32

約数和(自身を含む): 42632352

約数和(自身を除く): 20847082

約数列:

[1, 2, 5, 10, 13, 26, 65, 113, 130, 226, 565, 1130, 1469, 1483, 2938, 2966, 7345, 7415, 14690, 14830, 19279, 38558, 96395, 167579, 192790, 335158, 837895, 1675790, 2178527, 4357054, 10892635, 21785270]

約数ペア:

[(1, 21785270), (2, 10892635), (5, 4357054), (10, 2178527), (13, 1675790), (26, 837895), (65, 335158), (113, 192790), (130, 167579), (226, 96395), (565, 38558), (1130, 19279), (1469, 14830), (1483, 14690), (2938, 7415), (2966, 7345)]