21010290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{100049}}^1$

素因数の和:100066

約数の個数: 32

約数和(自身を含む): 57628800

約数和(自身を除く): 36618510

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 100049, 200098, 300147, 500245, 600294, 700343, 1000490, 1400686, 1500735, 2101029, 3001470, 3501715, 4202058, 7003430, 10505145, 21010290]

約数ペア:

[(1, 21010290), (2, 10505145), (3, 7003430), (5, 4202058), (6, 3501715), (7, 3001470), (10, 2101029), (14, 1500735), (15, 1400686), (21, 1000490), (30, 700343), (35, 600294), (42, 500245), (70, 300147), (105, 200098), (210, 100049)]