21215733

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3167}}^1$

素因数の和:3217

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 15279627

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 203, 231, 319, 609, 957, 2233, 3167, 6699, 9501, 22169, 34837, 66507, 91843, 104511, 243859, 275529, 642901, 731577, 1010273, 1928703, 3030819, 7071911, 21215733]

約数ペア:

[(1, 21215733), (3, 7071911), (7, 3030819), (11, 1928703), (21, 1010273), (29, 731577), (33, 642901), (77, 275529), (87, 243859), (203, 104511), (231, 91843), (319, 66507), (609, 34837), (957, 22169), (2233, 9501), (3167, 6699)]