21374055

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3467}}^1$

素因数の和:3615

約数の個数: 24

約数和(自身を含む): 37329552

約数和(自身を除く): 15955497

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 3467, 6165, 10401, 17335, 31203, 52005, 156015, 474979, 1424937, 2374895, 4274811, 7124685, 21374055]

約数ペア:

[(1, 21374055), (3, 7124685), (5, 4274811), (9, 2374895), (15, 1424937), (45, 474979), (137, 156015), (411, 52005), (685, 31203), (1233, 17335), (2055, 10401), (3467, 6165)]