21806750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{733}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 49465728

約数和(自身を除く): 27658978

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 119, 125, 170, 175, 238, 250, 350, 425, 595, 733, 850, 875, 1190, 1466, 1750, 2125, 2975, 3665, 4250, 5131, 5950, 7330, 10262, 12461, 14875, 18325, 24922, 25655, 29750, 36650, 51310, 62305, 87227, 91625, 124610, 128275, 174454, 183250, 256550, 311525, 436135, 623050, 641375, 872270, 1282750, 1557625, 2180675, 3115250, 4361350, 10903375, 21806750]

約数ペア:

[(1, 21806750), (2, 10903375), (5, 4361350), (7, 3115250), (10, 2180675), (14, 1557625), (17, 1282750), (25, 872270), (34, 641375), (35, 623050), (50, 436135), (70, 311525), (85, 256550), (119, 183250), (125, 174454), (170, 128275), (175, 124610), (238, 91625), (250, 87227), (350, 62305), (425, 51310), (595, 36650), (733, 29750), (850, 25655), (875, 24922), (1190, 18325), (1466, 14875), (1750, 12461), (2125, 10262), (2975, 7330), (3665, 5950), (4250, 5131)]