21742920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{60397}}^1$

素因数の和:60414

約数の個数: 48

約数和(自身を含む): 70665660

約数和(自身を除く): 48922740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 60397, 120794, 181191, 241588, 301985, 362382, 483176, 543573, 603970, 724764, 905955, 1087146, 1207940, 1449528, 1811910, 2174292, 2415880, 2717865, 3623820, 4348584, 5435730, 7247640, 10871460, 21742920]

約数ペア:

[(1, 21742920), (2, 10871460), (3, 7247640), (4, 5435730), (5, 4348584), (6, 3623820), (8, 2717865), (9, 2415880), (10, 2174292), (12, 1811910), (15, 1449528), (18, 1207940), (20, 1087146), (24, 905955), (30, 724764), (36, 603970), (40, 543573), (45, 483176), (60, 362382), (72, 301985), (90, 241588), (120, 181191), (180, 120794), (360, 60397)]