21950830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{463}}^1$

素因数の和:912

約数の個数: 32

約数和(自身を含む): 43296768

約数和(自身を除く): 21345938

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 431, 463, 862, 926, 2155, 2315, 4310, 4630, 4741, 5093, 9482, 10186, 23705, 25465, 47410, 50930, 199553, 399106, 997765, 1995530, 2195083, 4390166, 10975415, 21950830]

約数ペア:

[(1, 21950830), (2, 10975415), (5, 4390166), (10, 2195083), (11, 1995530), (22, 997765), (55, 399106), (110, 199553), (431, 50930), (463, 47410), (862, 25465), (926, 23705), (2155, 10186), (2315, 9482), (4310, 5093), (4630, 4741)]