21569100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{10271}}^1$

素因数の和:10295

約数の個数: 72

約数和(自身を含む): 71328768

約数和(自身を除く): 49759668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 10271, 20542, 30813, 41084, 51355, 61626, 71897, 102710, 123252, 143794, 154065, 205420, 215691, 256775, 287588, 308130, 359485, 431382, 513550, 616260, 718970, 770325, 862764, 1027100, 1078455, 1437940, 1540650, 1797425, 2156910, 3081300, 3594850, 4313820, 5392275, 7189700, 10784550, 21569100]

約数ペア:

[(1, 21569100), (2, 10784550), (3, 7189700), (4, 5392275), (5, 4313820), (6, 3594850), (7, 3081300), (10, 2156910), (12, 1797425), (14, 1540650), (15, 1437940), (20, 1078455), (21, 1027100), (25, 862764), (28, 770325), (30, 718970), (35, 616260), (42, 513550), (50, 431382), (60, 359485), (70, 308130), (75, 287588), (84, 256775), (100, 215691), (105, 205420), (140, 154065), (150, 143794), (175, 123252), (210, 102710), (300, 71897), (350, 61626), (420, 51355), (525, 41084), (700, 30813), (1050, 20542), (2100, 10271)]