21131848100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19210771}}^1$

素因数の和:19210796

約数の個数: 36

約数和(自身を含む): 50024850288

約数和(自身を除く): 28893002188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 19210771, 38421542, 76843084, 96053855, 192107710, 211318481, 384215420, 422636962, 480269275, 845273924, 960538550, 1056592405, 1921077100, 2113184810, 4226369620, 5282962025, 10565924050, 21131848100]

約数ペア:

[(1, 21131848100), (2, 10565924050), (4, 5282962025), (5, 4226369620), (10, 2113184810), (11, 1921077100), (20, 1056592405), (22, 960538550), (25, 845273924), (44, 480269275), (50, 422636962), (55, 384215420), (100, 211318481), (110, 192107710), (220, 96053855), (275, 76843084), (550, 38421542), (1100, 19210771)]