21669144

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{128983}}^1$

素因数の和:128999

約数の個数: 32

約数和(自身を含む): 61912320

約数和(自身を除く): 40243176

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 128983, 257966, 386949, 515932, 773898, 902881, 1031864, 1547796, 1805762, 2708643, 3095592, 3611524, 5417286, 7223048, 10834572, 21669144]

約数ペア:

[(1, 21669144), (2, 10834572), (3, 7223048), (4, 5417286), (6, 3611524), (7, 3095592), (8, 2708643), (12, 1805762), (14, 1547796), (21, 1031864), (24, 902881), (28, 773898), (42, 515932), (56, 386949), (84, 257966), (168, 128983)]