21347790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{3191}}^1$

素因数の和:3424

約数の個数: 32

約数和(自身を含む): 51480576

約数和(自身を除く): 30132786

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 223, 446, 669, 1115, 1338, 2230, 3191, 3345, 6382, 6690, 9573, 15955, 19146, 31910, 47865, 95730, 711593, 1423186, 2134779, 3557965, 4269558, 7115930, 10673895, 21347790]

約数ペア:

[(1, 21347790), (2, 10673895), (3, 7115930), (5, 4269558), (6, 3557965), (10, 2134779), (15, 1423186), (30, 711593), (223, 95730), (446, 47865), (669, 31910), (1115, 19146), (1338, 15955), (2230, 9573), (3191, 6690), (3345, 6382)]