21734820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{120749}}^1$

素因数の和:120764

約数の個数: 36

約数和(自身を含む): 65929500

約数和(自身を除く): 44194680

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 120749, 241498, 362247, 482996, 603745, 724494, 1086741, 1207490, 1448988, 1811235, 2173482, 2414980, 3622470, 4346964, 5433705, 7244940, 10867410, 21734820]

約数ペア:

[(1, 21734820), (2, 10867410), (3, 7244940), (4, 5433705), (5, 4346964), (6, 3622470), (9, 2414980), (10, 2173482), (12, 1811235), (15, 1448988), (18, 1207490), (20, 1086741), (30, 724494), (36, 603745), (45, 482996), (60, 362247), (90, 241498), (180, 120749)]