21086450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5477}}^1$

素因数の和:5507

約数の個数: 48

約数和(自身を含む): 48907584

約数和(自身を除く): 27821134

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 5477, 10954, 27385, 38339, 54770, 60247, 76678, 120494, 136925, 191695, 273850, 301235, 383390, 421729, 602470, 843458, 958475, 1506175, 1916950, 2108645, 3012350, 4217290, 10543225, 21086450]

約数ペア:

[(1, 21086450), (2, 10543225), (5, 4217290), (7, 3012350), (10, 2108645), (11, 1916950), (14, 1506175), (22, 958475), (25, 843458), (35, 602470), (50, 421729), (55, 383390), (70, 301235), (77, 273850), (110, 191695), (154, 136925), (175, 120494), (275, 76678), (350, 60247), (385, 54770), (550, 38339), (770, 27385), (1925, 10954), (3850, 5477)]