21727650

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{20693}}^1$

素因数の和:20715

約数の個数: 48

約数和(自身を含む): 61585344

約数和(自身を除く): 39857694

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 20693, 41386, 62079, 103465, 124158, 144851, 206930, 289702, 310395, 434553, 517325, 620790, 724255, 869106, 1034650, 1448510, 1551975, 2172765, 3103950, 3621275, 4345530, 7242550, 10863825, 21727650]

約数ペア:

[(1, 21727650), (2, 10863825), (3, 7242550), (5, 4345530), (6, 3621275), (7, 3103950), (10, 2172765), (14, 1551975), (15, 1448510), (21, 1034650), (25, 869106), (30, 724255), (35, 620790), (42, 517325), (50, 434553), (70, 310395), (75, 289702), (105, 206930), (150, 144851), (175, 124158), (210, 103465), (350, 62079), (525, 41386), (1050, 20693)]