21808112

素因数分解:

$2^4\times {\mathrm{419}}^1\times {\mathrm{3253}}^1$

素因数の和:3680

約数の個数: 20

約数和(自身を含む): 42367080

約数和(自身を除く): 20558968

約数列:

[1, 2, 4, 8, 16, 419, 838, 1676, 3253, 3352, 6506, 6704, 13012, 26024, 52048, 1363007, 2726014, 5452028, 10904056, 21808112]

約数ペア:

[(1, 21808112), (2, 10904056), (4, 5452028), (8, 2726014), (16, 1363007), (419, 52048), (838, 26024), (1676, 13012), (3253, 6704), (3352, 6506)]