21909690

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2459}}^1$

素因数の和:2489

約数の個数: 80

約数和(自身を含む): 64294560

約数和(自身を除く): 42384870

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 81, 90, 99, 110, 135, 162, 165, 198, 270, 297, 330, 405, 495, 594, 810, 891, 990, 1485, 1782, 2459, 2970, 4455, 4918, 7377, 8910, 12295, 14754, 22131, 24590, 27049, 36885, 44262, 54098, 66393, 73770, 81147, 110655, 132786, 135245, 162294, 199179, 221310, 243441, 270490, 331965, 398358, 405735, 486882, 663930, 730323, 811470, 995895, 1217205, 1460646, 1991790, 2190969, 2434410, 3651615, 4381938, 7303230, 10954845, 21909690]

約数ペア:

[(1, 21909690), (2, 10954845), (3, 7303230), (5, 4381938), (6, 3651615), (9, 2434410), (10, 2190969), (11, 1991790), (15, 1460646), (18, 1217205), (22, 995895), (27, 811470), (30, 730323), (33, 663930), (45, 486882), (54, 405735), (55, 398358), (66, 331965), (81, 270490), (90, 243441), (99, 221310), (110, 199179), (135, 162294), (162, 135245), (165, 132786), (198, 110655), (270, 81147), (297, 73770), (330, 66393), (405, 54098), (495, 44262), (594, 36885), (810, 27049), (891, 24590), (990, 22131), (1485, 14754), (1782, 12295), (2459, 8910), (2970, 7377), (4455, 4918)]