21250900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19319}}^1$

素因数の和:19344

約数の個数: 36

約数和(自身を含む): 50309280

約数和(自身を除く): 29058380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 19319, 38638, 77276, 96595, 193190, 212509, 386380, 425018, 482975, 850036, 965950, 1062545, 1931900, 2125090, 4250180, 5312725, 10625450, 21250900]

約数ペア:

[(1, 21250900), (2, 10625450), (4, 5312725), (5, 4250180), (10, 2125090), (11, 1931900), (20, 1062545), (22, 965950), (25, 850036), (44, 482975), (50, 425018), (55, 386380), (100, 212509), (110, 193190), (220, 96595), (275, 77276), (550, 38638), (1100, 19319)]