21140970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2129}}^1$

素因数の和:2470

約数の個数: 32

約数和(自身を含む): 50915520

約数和(自身を除く): 29774550

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 331, 662, 993, 1655, 1986, 2129, 3310, 4258, 4965, 6387, 9930, 10645, 12774, 21290, 31935, 63870, 704699, 1409398, 2114097, 3523495, 4228194, 7046990, 10570485, 21140970]

約数ペア:

[(1, 21140970), (2, 10570485), (3, 7046990), (5, 4228194), (6, 3523495), (10, 2114097), (15, 1409398), (30, 704699), (331, 63870), (662, 31935), (993, 21290), (1655, 12774), (1986, 10645), (2129, 9930), (3310, 6387), (4258, 4965)]