21344253

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 35458560

約数和(自身を除く): 14114307

約数列:

[1, 3, 7, 21, 23, 49, 59, 69, 107, 147, 161, 177, 321, 413, 483, 749, 1127, 1239, 1357, 2247, 2461, 2891, 3381, 4071, 5243, 6313, 7383, 8673, 9499, 15729, 17227, 18939, 28497, 44191, 51681, 66493, 120589, 132573, 145199, 199479, 309337, 361767, 435597, 928011, 1016393, 3049179, 7114751, 21344253]

約数ペア:

[(1, 21344253), (3, 7114751), (7, 3049179), (21, 1016393), (23, 928011), (49, 435597), (59, 361767), (69, 309337), (107, 199479), (147, 145199), (161, 132573), (177, 120589), (321, 66493), (413, 51681), (483, 44191), (749, 28497), (1127, 18939), (1239, 17227), (1357, 15729), (2247, 9499), (2461, 8673), (2891, 7383), (3381, 6313), (4071, 5243)]