21907464

素因数分解:

$2^3\times 3^1\times {\mathrm{691}}^1\times {\mathrm{1321}}^1$

素因数の和:2021

約数の個数: 32

約数和(自身を含む): 54889440

約数和(自身を除く): 32981976

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 691, 1321, 1382, 2073, 2642, 2764, 3963, 4146, 5284, 5528, 7926, 8292, 10568, 15852, 16584, 31704, 912811, 1825622, 2738433, 3651244, 5476866, 7302488, 10953732, 21907464]

約数ペア:

[(1, 21907464), (2, 10953732), (3, 7302488), (4, 5476866), (6, 3651244), (8, 2738433), (12, 1825622), (24, 912811), (691, 31704), (1321, 16584), (1382, 15852), (2073, 10568), (2642, 8292), (2764, 7926), (3963, 5528), (4146, 5284)]