21851984

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17737}}^1$

素因数の和:17763

約数の個数: 40

約数和(自身を含む): 52788288

約数和(自身を除く): 30936304

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 17737, 35474, 70948, 124159, 141896, 195107, 248318, 283792, 390214, 496636, 780428, 993272, 1365749, 1560856, 1986544, 2731498, 3121712, 5462996, 10925992, 21851984]

約数ペア:

[(1, 21851984), (2, 10925992), (4, 5462996), (7, 3121712), (8, 2731498), (11, 1986544), (14, 1560856), (16, 1365749), (22, 993272), (28, 780428), (44, 496636), (56, 390214), (77, 283792), (88, 248318), (112, 195107), (154, 141896), (176, 124159), (308, 70948), (616, 35474), (1232, 17737)]