21328728

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{38639}}^1$

素因数の和:38671

約数の個数: 32

約数和(自身を含む): 55641600

約数和(自身を除く): 34312872

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 276, 552, 38639, 77278, 115917, 154556, 231834, 309112, 463668, 888697, 927336, 1777394, 2666091, 3554788, 5332182, 7109576, 10664364, 21328728]

約数ペア:

[(1, 21328728), (2, 10664364), (3, 7109576), (4, 5332182), (6, 3554788), (8, 2666091), (12, 1777394), (23, 927336), (24, 888697), (46, 463668), (69, 309112), (92, 231834), (138, 154556), (184, 115917), (276, 77278), (552, 38639)]