21034764

素因数分解:

$2^2\times 3^2\times {\mathrm{617}}^1\times {\mathrm{947}}^1$

素因数の和:1574

約数の個数: 36

約数和(自身を含む): 53313624

約数和(自身を除く): 32278860

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 617, 947, 1234, 1851, 1894, 2468, 2841, 3702, 3788, 5553, 5682, 7404, 8523, 11106, 11364, 17046, 22212, 34092, 584299, 1168598, 1752897, 2337196, 3505794, 5258691, 7011588, 10517382, 21034764]

約数ペア:

[(1, 21034764), (2, 10517382), (3, 7011588), (4, 5258691), (6, 3505794), (9, 2337196), (12, 1752897), (18, 1168598), (36, 584299), (617, 34092), (947, 22212), (1234, 17046), (1851, 11364), (1894, 11106), (2468, 8523), (2841, 7404), (3702, 5682), (3788, 5553)]