21942795

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3943}}^1$

素因数の和:4011

約数の個数: 32

約数和(自身を含む): 40891392

約数和(自身を除く): 18948597

約数列:

[1, 3, 5, 7, 15, 21, 35, 53, 105, 159, 265, 371, 795, 1113, 1855, 3943, 5565, 11829, 19715, 27601, 59145, 82803, 138005, 208979, 414015, 626937, 1044895, 1462853, 3134685, 4388559, 7314265, 21942795]

約数ペア:

[(1, 21942795), (3, 7314265), (5, 4388559), (7, 3134685), (15, 1462853), (21, 1044895), (35, 626937), (53, 414015), (105, 208979), (159, 138005), (265, 82803), (371, 59145), (795, 27601), (1113, 19715), (1855, 11829), (3943, 5565)]