21024867.000000000

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{330229}}^1$

素因数の和:330249

約数の個数: 48

約数和(自身を含む): 618190560

約数和(自身を除く): 410146290

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 330229, 660458, 990687, 1651145, 1981374, 2311603, 2972061, 3302290, 4623206, 4953435, 5944122, 6934809, 9906870, 11558015, 13869618, 14860305, 20804427, 23116030, 29720610, 34674045, 41608854, 69348090, 104022135, 208044270]

約数ペア:

[(1, 208044270), (2, 104022135), (3, 69348090), (5, 41608854), (6, 34674045), (7, 29720610), (9, 23116030), (10, 20804427), (14, 14860305), (15, 13869618), (18, 11558015), (21, 9906870), (30, 6934809), (35, 5944122), (42, 4953435), (45, 4623206), (63, 3302290), (70, 2972061), (90, 2311603), (105, 1981374), (126, 1651145), (210, 990687), (315, 660458), (630, 330229)]