21819710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{677}}^1$

素因数の和:988

約数の個数: 32

約数和(自身を含む): 43055712

約数和(自身を除く): 21236002

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 293, 586, 677, 1354, 1465, 2930, 3223, 3385, 6446, 6770, 7447, 14894, 16115, 32230, 37235, 74470, 198361, 396722, 991805, 1983610, 2181971, 4363942, 10909855, 21819710]

約数ペア:

[(1, 21819710), (2, 10909855), (5, 4363942), (10, 2181971), (11, 1983610), (22, 991805), (55, 396722), (110, 198361), (293, 74470), (586, 37235), (677, 32230), (1354, 16115), (1465, 14894), (2930, 7447), (3223, 6770), (3385, 6446)]