21535437

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1759}}^1$

素因数の和:1833

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 14959923

約数列:

[1, 3, 7, 11, 21, 33, 53, 77, 159, 231, 371, 583, 1113, 1749, 1759, 4081, 5277, 12243, 12313, 19349, 36939, 58047, 93227, 135443, 279681, 406329, 652589, 1025497, 1957767, 3076491, 7178479, 21535437]

約数ペア:

[(1, 21535437), (3, 7178479), (7, 3076491), (11, 1957767), (21, 1025497), (33, 652589), (53, 406329), (77, 279681), (159, 135443), (231, 93227), (371, 58047), (583, 36939), (1113, 19349), (1749, 12313), (1759, 12243), (4081, 5277)]