21492184

素因数分解:

$2^3\times 7^2\times {\mathrm{109}}^1\times {\mathrm{503}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 47401200

約数和(自身を除く): 25909016

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 109, 196, 218, 392, 436, 503, 763, 872, 1006, 1526, 2012, 3052, 3521, 4024, 5341, 6104, 7042, 10682, 14084, 21364, 24647, 28168, 42728, 49294, 54827, 98588, 109654, 197176, 219308, 383789, 438616, 767578, 1535156, 2686523, 3070312, 5373046, 10746092, 21492184]

約数ペア:

[(1, 21492184), (2, 10746092), (4, 5373046), (7, 3070312), (8, 2686523), (14, 1535156), (28, 767578), (49, 438616), (56, 383789), (98, 219308), (109, 197176), (196, 109654), (218, 98588), (392, 54827), (436, 49294), (503, 42728), (763, 28168), (872, 24647), (1006, 21364), (1526, 14084), (2012, 10682), (3052, 7042), (3521, 6104), (4024, 5341)]