21476916

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1847}}^1$

素因数の和:1893

約数の個数: 72

約数和(自身を含む): 60540480

約数和(自身を除く): 39063564

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 34, 36, 38, 51, 57, 68, 76, 102, 114, 153, 171, 204, 228, 306, 323, 342, 612, 646, 684, 969, 1292, 1847, 1938, 2907, 3694, 3876, 5541, 5814, 7388, 11082, 11628, 16623, 22164, 31399, 33246, 35093, 62798, 66492, 70186, 94197, 105279, 125596, 140372, 188394, 210558, 282591, 315837, 376788, 421116, 565182, 596581, 631674, 1130364, 1193162, 1263348, 1789743, 2386324, 3579486, 5369229, 7158972, 10738458, 21476916]

約数ペア:

[(1, 21476916), (2, 10738458), (3, 7158972), (4, 5369229), (6, 3579486), (9, 2386324), (12, 1789743), (17, 1263348), (18, 1193162), (19, 1130364), (34, 631674), (36, 596581), (38, 565182), (51, 421116), (57, 376788), (68, 315837), (76, 282591), (102, 210558), (114, 188394), (153, 140372), (171, 125596), (204, 105279), (228, 94197), (306, 70186), (323, 66492), (342, 62798), (612, 35093), (646, 33246), (684, 31399), (969, 22164), (1292, 16623), (1847, 11628), (1938, 11082), (2907, 7388), (3694, 5814), (3876, 5541)]