21671460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{120397}}^1$

素因数の和:120412

約数の個数: 36

約数和(自身を含む): 65737308

約数和(自身を除く): 44065848

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 120397, 240794, 361191, 481588, 601985, 722382, 1083573, 1203970, 1444764, 1805955, 2167146, 2407940, 3611910, 4334292, 5417865, 7223820, 10835730, 21671460]

約数ペア:

[(1, 21671460), (2, 10835730), (3, 7223820), (4, 5417865), (5, 4334292), (6, 3611910), (9, 2407940), (10, 2167146), (12, 1805955), (15, 1444764), (18, 1203970), (20, 1083573), (30, 722382), (36, 601985), (45, 481588), (60, 361191), (90, 240794), (180, 120397)]