21773940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21347}}^1$

素因数の和:21376

約数の個数: 48

約数和(自身を含む): 64556352

約数和(自身を除く): 42782412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 21347, 42694, 64041, 85388, 106735, 128082, 213470, 256164, 320205, 362899, 426940, 640410, 725798, 1088697, 1280820, 1451596, 1814495, 2177394, 3628990, 4354788, 5443485, 7257980, 10886970, 21773940]

約数ペア:

[(1, 21773940), (2, 10886970), (3, 7257980), (4, 5443485), (5, 4354788), (6, 3628990), (10, 2177394), (12, 1814495), (15, 1451596), (17, 1280820), (20, 1088697), (30, 725798), (34, 640410), (51, 426940), (60, 362899), (68, 320205), (85, 256164), (102, 213470), (170, 128082), (204, 106735), (255, 85388), (340, 64041), (510, 42694), (1020, 21347)]