21476133

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7253}}^1$

素因数の和:7313

約数の個数: 24

約数和(自身を含む): 36211968

約数和(自身を除く): 14735835

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 7253, 21759, 50771, 65277, 152313, 340891, 456939, 1022673, 2386237, 3068019, 7158711, 21476133]

約数ペア:

[(1, 21476133), (3, 7158711), (7, 3068019), (9, 2386237), (21, 1022673), (47, 456939), (63, 340891), (141, 152313), (329, 65277), (423, 50771), (987, 21759), (2961, 7253)]