21497091

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3209}}^1$

素因数の和:3259

約数の個数: 32

約数和(自身を含む): 36979200

約数和(自身を除く): 15482109

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 203, 231, 319, 609, 957, 2233, 3209, 6699, 9627, 22463, 35299, 67389, 93061, 105897, 247093, 279183, 651427, 741279, 1023671, 1954281, 3071013, 7165697, 21497091]

約数ペア:

[(1, 21497091), (3, 7165697), (7, 3071013), (11, 1954281), (21, 1023671), (29, 741279), (33, 651427), (77, 279183), (87, 247093), (203, 105897), (231, 93061), (319, 67389), (609, 35299), (957, 22463), (2233, 9627), (3209, 6699)]