21983360

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{701}}^1$

素因数の和:734

約数の個数: 96

約数和(自身を含む): 61221420

約数和(自身を除く): 39238060

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 701, 784, 896, 980, 1120, 1402, 1568, 1960, 2240, 2804, 3136, 3505, 3920, 4480, 4907, 5608, 6272, 7010, 7840, 9814, 11216, 14020, 15680, 19628, 22432, 24535, 28040, 31360, 34349, 39256, 44864, 49070, 56080, 68698, 78512, 89728, 98140, 112160, 137396, 157024, 171745, 196280, 224320, 274792, 314048, 343490, 392560, 448640, 549584, 628096, 686980, 785120, 1099168, 1373960, 1570240, 2198336, 2747920, 3140480, 4396672, 5495840, 10991680, 21983360]

約数ペア:

[(1, 21983360), (2, 10991680), (4, 5495840), (5, 4396672), (7, 3140480), (8, 2747920), (10, 2198336), (14, 1570240), (16, 1373960), (20, 1099168), (28, 785120), (32, 686980), (35, 628096), (40, 549584), (49, 448640), (56, 392560), (64, 343490), (70, 314048), (80, 274792), (98, 224320), (112, 196280), (128, 171745), (140, 157024), (160, 137396), (196, 112160), (224, 98140), (245, 89728), (280, 78512), (320, 68698), (392, 56080), (448, 49070), (490, 44864), (560, 39256), (640, 34349), (701, 31360), (784, 28040), (896, 24535), (980, 22432), (1120, 19628), (1402, 15680), (1568, 14020), (1960, 11216), (2240, 9814), (2804, 7840), (3136, 7010), (3505, 6272), (3920, 5608), (4480, 4907)]