21299250

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{4057}}^1$

素因数の和:4084

約数の個数: 64

約数和(自身を含む): 60772608

約数和(自身を除く): 39473358

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 125, 150, 175, 210, 250, 350, 375, 525, 750, 875, 1050, 1750, 2625, 4057, 5250, 8114, 12171, 20285, 24342, 28399, 40570, 56798, 60855, 85197, 101425, 121710, 141995, 170394, 202850, 283990, 304275, 425985, 507125, 608550, 709975, 851970, 1014250, 1419950, 1521375, 2129925, 3042750, 3549875, 4259850, 7099750, 10649625, 21299250]

約数ペア:

[(1, 21299250), (2, 10649625), (3, 7099750), (5, 4259850), (6, 3549875), (7, 3042750), (10, 2129925), (14, 1521375), (15, 1419950), (21, 1014250), (25, 851970), (30, 709975), (35, 608550), (42, 507125), (50, 425985), (70, 304275), (75, 283990), (105, 202850), (125, 170394), (150, 141995), (175, 121710), (210, 101425), (250, 85197), (350, 60855), (375, 56798), (525, 40570), (750, 28399), (875, 24342), (1050, 20285), (1750, 12171), (2625, 8114), (4057, 5250)]